User:Guy vandegrift/Quizbank/Archive1/Sample rendition

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htw20160930T113441

This identifier represents a unique rendition of the course htw. It contains 2 versions that are identical except for numerical values and order of questions and answers in test. For more information visit Quizbank.

htw:T1:V1[edit]

htw20160930T113441

1) What was Plank's understanding of the significance of his work on blackbody radiation?

a) the thought it was some sort of mathematical trick
b) he knew it would someday win him a Nobel prize
c) he was afraid to publish it for fear of losing his reputation
d) he eventually convinced his dissertation committee that the theory was correct

2) After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.

a) false
b) true

3) A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

a) south
b) east
c) north
d) west
e) zero

4) What are the units of Plank's constant?

a) momentum x distance
b) energy x time
c) mass x velocity x distance
d) all of the above
e) none of the above

5) Excepting cases where where quantum jumps in energy are induced in another object (i.e., using only the uncertainty principle), which would NOT put a classical particle into the quantum regime?

a) low speed
b) low mass
c) high speed
d) confinement to a small space

6) The law of reflection applies to

a) only light in a vacuum
b) curved surfaces
c) flat surfaces
d) telescopes but not microscopes
e) both flat and curved surfaces

7) Mr. Smith starts at rest and accelerates to a speed of 4 m/s, in 2 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 2 seconds to come to rest. How far did he travel?

a) 22.0 meters
b) 21.0 meters
c) 23.0 meters
d) 20.0 meters
e) 19.0 meters

8) Pulse interference 1.svgThese two pulses will collide and produce

a) positive interference
b) negative diffraction
c) negative interference
d) positive diffraction

9) A car is traveling in a perfect circle at constant speed. If the car is headed north while turning east, the acceleration is

a) zero
b) south
c) east
d) west
e) north

10) Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

a) The difference in path lengths creates more reverberation.
b) The difference in path lengths creates more echo.
c) Rough walls make for a louder sound.

11) Mr. Smith is driving at a speed of 5 m/s, when he slows down to a speed of 4 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

a) 10.0 meters
b) 12.0 meters
c) 11.0 meters
d) 8.0 meters
e) 9.0 meters

12) If you toss a coin into the air, the velocity while it as its highest point is

a) zero
b) down
c) up

13) Mr. Smith starts from rest and accelerates to 2 m/s in 3 seconds. How far did he travel?

a) 7.0 meters
b) 5.0 meters
c) 3.0 meters
d) 6.0 meters
e) 4.0 meters

14) Which lens has the shorter focal length?

a) They have the same focal lengh.
b) Ray drawing eye schematic01.svg
c) Ray drawing eye schematic.svg

15) A car is headed due north and increasing its speed. It is also turning right because it is also traveling in a perfect circle. The velocity vector points

a) southwest
b) south
c) north
d) northeast
e) northwest

16) Why don't we hear beats when two different notes on a piano are played at the same time?

a) Echo usually stifles the beats
b) The beats happen so many times per second you can't hear them.
c) The note is over by the time the first beat is heard
d) Reverberation usually stifles the beats

17) If you toss a coin into the air, the acceleration while it as its highest point is

a) zero
b) down
c) up

18) The focal point is where

a) rays meet whenever they are forming an image
b) rays meet whenever they pass through a lens
c) the center of the lens
d) rays meet if they are parallel to each other
e) rays meet if they were parallel to the optical axis before striking a lens

19) Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

a) 27.0 meters
b) 26.0 meters
c) 24.0 meters
d) 25.0 meters
e) 23.0 meters

20) If you toss a coin into the air, the velocity on the way down is

a) down
b) zero
c) up

21) As the Moon circles Earth, the acceleration of the Moon is

a) opposite the direction of the Moon's velocity
b) zero
c) in the same direction as the Moon's velocity
d) away from Earth
e) towards Earth

22) People don't usually perceive an echo when

a) it arrives at exactly the same pitch
b) it arrives less than a tenth of a second after the original sound
c) it arrives at a higher pitch
d) it arrives at a lower pitch
e) it takes more than a tenth of a second after the original sound to arrive

23) If a source of sound is moving towards you, the pitch becomes

a) higher
b) unchanged
c) lower

24) A car is headed due north and decreasing its speed. It is also turning left because it is also traveling in a perfect circle. The acceleration vector points

a) southeast
b) northwest
c) southwest
d) south
e) west

25) Pulse interference 2.svgThese two pulses will collide and produce

a) positive diffraction
b) negative interference
c) negative diffraction
d) positive interference

26) What was "spooky" about Taylor's 1909 experiment with wave interference?

a) The interference pattern mysteriously disappeared.
b) The light was so dim that the photoelectric effect couldn't occur
c) The light was so dim that only one photon at a time was near the slits.
d) The light was dim, but it didn't matter because he was blind.

27) Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

a) 11.0 meters
b) 12.0 meters
c) 10.0 meters
d) 8.0 meters
e) 9.0 meters
28)
Lens1b.svg
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
a) how a farsighted person might see an object that is too close for comfort
b) how a nearsighted person might see a distant object
c) how a farsighted person might see a distant object
d) how a nearsighted person might see an object that is too close for comfort

29) An important principle that allows fiber optics to work is

a) partial internal absorption
b) the Doppler shift
c) total internal reflection
d) the invariance of the speed of light
e) total external refraction

30) When a wave is reflected off a stationary barrier, the reflected wave

a) has lower amplitude than the incident wave
b) both of these are true
c) has higher frequency than the incident wave

KEY:htw:T1:V1[edit]

htw20160930T113441

1) What was Plank's understanding of the significance of his work on blackbody radiation?

+a) the thought it was some sort of mathematical trick
-b) he knew it would someday win him a Nobel prize
-c) he was afraid to publish it for fear of losing his reputation
-d) he eventually convinced his dissertation committee that the theory was correct

2) After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.

+a) false
-b) true

3) A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

-a) south
-b) east
-c) north
+d) west
-e) zero

4) What are the units of Plank's constant?

-a) momentum x distance
-b) energy x time
-c) mass x velocity x distance
+d) all of the above
-e) none of the above

5) Excepting cases where where quantum jumps in energy are induced in another object (i.e., using only the uncertainty principle), which would NOT put a classical particle into the quantum regime?

-a) low speed
-b) low mass
+c) high speed
-d) confinement to a small space

6) The law of reflection applies to

-a) only light in a vacuum
-b) curved surfaces
-c) flat surfaces
-d) telescopes but not microscopes
+e) both flat and curved surfaces

7) Mr. Smith starts at rest and accelerates to a speed of 4 m/s, in 2 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 2 seconds to come to rest. How far did he travel?

-a) 22.0 meters
-b) 21.0 meters
-c) 23.0 meters
+d) 20.0 meters
-e) 19.0 meters

8) Pulse interference 1.svgThese two pulses will collide and produce

+a) positive interference
-b) negative diffraction
-c) negative interference
-d) positive diffraction

9) A car is traveling in a perfect circle at constant speed. If the car is headed north while turning east, the acceleration is

-a) zero
-b) south
+c) east
-d) west
-e) north

10) Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

+a) The difference in path lengths creates more reverberation.
-b) The difference in path lengths creates more echo.
-c) Rough walls make for a louder sound.

11) Mr. Smith is driving at a speed of 5 m/s, when he slows down to a speed of 4 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

-a) 10.0 meters
-b) 12.0 meters
-c) 11.0 meters
-d) 8.0 meters
+e) 9.0 meters

12) If you toss a coin into the air, the velocity while it as its highest point is

+a) zero
-b) down
-c) up

13) Mr. Smith starts from rest and accelerates to 2 m/s in 3 seconds. How far did he travel?

-a) 7.0 meters
-b) 5.0 meters
+c) 3.0 meters
-d) 6.0 meters
-e) 4.0 meters

14) Which lens has the shorter focal length?

-a) They have the same focal lengh.
-b) Ray drawing eye schematic01.svg
+c) Ray drawing eye schematic.svg

15) A car is headed due north and increasing its speed. It is also turning right because it is also traveling in a perfect circle. The velocity vector points

-a) southwest
-b) south
+c) north
-d) northeast
-e) northwest

16) Why don't we hear beats when two different notes on a piano are played at the same time?

-a) Echo usually stifles the beats
+b) The beats happen so many times per second you can't hear them.
-c) The note is over by the time the first beat is heard
-d) Reverberation usually stifles the beats

17) If you toss a coin into the air, the acceleration while it as its highest point is

-a) zero
+b) down
-c) up

18) The focal point is where

-a) rays meet whenever they are forming an image
-b) rays meet whenever they pass through a lens
-c) the center of the lens
-d) rays meet if they are parallel to each other
+e) rays meet if they were parallel to the optical axis before striking a lens

19) Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

-a) 27.0 meters
-b) 26.0 meters
+c) 24.0 meters
-d) 25.0 meters
-e) 23.0 meters

20) If you toss a coin into the air, the velocity on the way down is

+a) down
-b) zero
-c) up

21) As the Moon circles Earth, the acceleration of the Moon is

-a) opposite the direction of the Moon's velocity
-b) zero
-c) in the same direction as the Moon's velocity
-d) away from Earth
+e) towards Earth

22) People don't usually perceive an echo when

-a) it arrives at exactly the same pitch
+b) it arrives less than a tenth of a second after the original sound
-c) it arrives at a higher pitch
-d) it arrives at a lower pitch
-e) it takes more than a tenth of a second after the original sound to arrive

23) If a source of sound is moving towards you, the pitch becomes

+a) higher
-b) unchanged
-c) lower

24) A car is headed due north and decreasing its speed. It is also turning left because it is also traveling in a perfect circle. The acceleration vector points

-a) southeast
-b) northwest
+c) southwest
-d) south
-e) west

25) Pulse interference 2.svgThese two pulses will collide and produce

-a) positive diffraction
+b) negative interference
-c) negative diffraction
-d) positive interference

26) What was "spooky" about Taylor's 1909 experiment with wave interference?

-a) The interference pattern mysteriously disappeared.
-b) The light was so dim that the photoelectric effect couldn't occur
+c) The light was so dim that only one photon at a time was near the slits.
-d) The light was dim, but it didn't matter because he was blind.

27) Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

-a) 11.0 meters
+b) 12.0 meters
-c) 10.0 meters
-d) 8.0 meters
-e) 9.0 meters
28)
Lens1b.svg
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
-a) how a farsighted person might see an object that is too close for comfort
+b) how a nearsighted person might see a distant object
-c) how a farsighted person might see a distant object
-d) how a nearsighted person might see an object that is too close for comfort

29) An important principle that allows fiber optics to work is

-a) partial internal absorption
-b) the Doppler shift
+c) total internal reflection
-d) the invariance of the speed of light
-e) total external refraction

30) When a wave is reflected off a stationary barrier, the reflected wave

+a) has lower amplitude than the incident wave
-b) both of these are true
-c) has higher frequency than the incident wave

htw:T1:V2[edit]

htw20160930T113441

1) If you toss a coin into the air, the acceleration while it as its highest point is

a) zero
b) down
c) up

2) Mr. Smith starts from rest and accelerates to 2 m/s in 3 seconds. How far did he travel?

a) 3.0 meters
b) 7.0 meters
c) 4.0 meters
d) 5.0 meters
e) 6.0 meters

3) What was "spooky" about Taylor's 1909 experiment with wave interference?

a) The light was so dim that only one photon at a time was near the slits.
b) The interference pattern mysteriously disappeared.
c) The light was dim, but it didn't matter because he was blind.
d) The light was so dim that the photoelectric effect couldn't occur

4) What was Plank's understanding of the significance of his work on blackbody radiation?

a) he eventually convinced his dissertation committee that the theory was correct
b) the thought it was some sort of mathematical trick
c) he was afraid to publish it for fear of losing his reputation
d) he knew it would someday win him a Nobel prize

5) A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

a) east
b) south
c) zero
d) north
e) west

6) A car is headed due north and increasing its speed. It is also turning right because it is also traveling in a perfect circle. The velocity vector points

a) southwest
b) north
c) south
d) northwest
e) northeast

7) A car is traveling in a perfect circle at constant speed. If the car is headed north while turning east, the acceleration is

a) east
b) south
c) west
d) zero
e) north

8) Why don't we hear beats when two different notes on a piano are played at the same time?

a) Echo usually stifles the beats
b) The beats happen so many times per second you can't hear them.
c) Reverberation usually stifles the beats
d) The note is over by the time the first beat is heard

9) The law of reflection applies to

a) curved surfaces
b) both flat and curved surfaces
c) telescopes but not microscopes
d) flat surfaces
e) only light in a vacuum

10) Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

a) 9.0 meters
b) 12.0 meters
c) 10.0 meters
d) 11.0 meters
e) 8.0 meters

11) Pulse interference 1.svgThese two pulses will collide and produce

a) positive interference
b) positive diffraction
c) negative interference
d) negative diffraction

12) Pulse interference 2.svgThese two pulses will collide and produce

a) negative interference
b) positive interference
c) negative diffraction
d) positive diffraction

13) If you toss a coin into the air, the velocity on the way down is

a) zero
b) up
c) down

14) Which lens has the shorter focal length?

a) Ray drawing eye schematic01.svg
b) Ray drawing eye schematic.svg
c) They have the same focal lengh.

15) A car is headed due north and decreasing its speed. It is also turning left because it is also traveling in a perfect circle. The acceleration vector points

a) west
b) southeast
c) southwest
d) northwest
e) south

16) After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.

a) false
b) true

17) An important principle that allows fiber optics to work is

a) total internal reflection
b) the invariance of the speed of light
c) partial internal absorption
d) the Doppler shift
e) total external refraction
18)
Lens1b.svg
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
a) how a farsighted person might see an object that is too close for comfort
b) how a farsighted person might see a distant object
c) how a nearsighted person might see a distant object
d) how a nearsighted person might see an object that is too close for comfort

19) What are the units of Plank's constant?

a) none of the above
b) energy x time
c) momentum x distance
d) mass x velocity x distance
e) all of the above

20) If a source of sound is moving towards you, the pitch becomes

a) lower
b) higher
c) unchanged

21) If you toss a coin into the air, the velocity while it as its highest point is

a) down
b) up
c) zero

22) When a wave is reflected off a stationary barrier, the reflected wave

a) has higher frequency than the incident wave
b) both of these are true
c) has lower amplitude than the incident wave

23) Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

a) Rough walls make for a louder sound.
b) The difference in path lengths creates more reverberation.
c) The difference in path lengths creates more echo.

24) People don't usually perceive an echo when

a) it arrives at a lower pitch
b) it arrives at exactly the same pitch
c) it arrives less than a tenth of a second after the original sound
d) it arrives at a higher pitch
e) it takes more than a tenth of a second after the original sound to arrive

25) Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

a) 23.0 meters
b) 27.0 meters
c) 24.0 meters
d) 26.0 meters
e) 25.0 meters

26) As the Moon circles Earth, the acceleration of the Moon is

a) away from Earth
b) towards Earth
c) in the same direction as the Moon's velocity
d) opposite the direction of the Moon's velocity
e) zero

27) The focal point is where

a) rays meet whenever they pass through a lens
b) rays meet whenever they are forming an image
c) rays meet if they were parallel to the optical axis before striking a lens
d) rays meet if they are parallel to each other
e) the center of the lens

28) Excepting cases where where quantum jumps in energy are induced in another object (i.e., using only the uncertainty principle), which would NOT put a classical particle into the quantum regime?

a) high speed
b) low speed
c) confinement to a small space
d) low mass

29) Mr. Smith is driving at a speed of 5 m/s, when he slows down to a speed of 4 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

a) 9.0 meters
b) 11.0 meters
c) 10.0 meters
d) 8.0 meters
e) 12.0 meters

30) Mr. Smith starts at rest and accelerates to a speed of 4 m/s, in 2 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 2 seconds to come to rest. How far did he travel?

a) 23.0 meters
b) 21.0 meters
c) 19.0 meters
d) 20.0 meters
e) 22.0 meters

KEY:htw:T1:V2[edit]

htw20160930T113441

1) If you toss a coin into the air, the acceleration while it as its highest point is

-a) zero
+b) down
-c) up

2) Mr. Smith starts from rest and accelerates to 2 m/s in 3 seconds. How far did he travel?

+a) 3.0 meters
-b) 7.0 meters
-c) 4.0 meters
-d) 5.0 meters
-e) 6.0 meters

3) What was "spooky" about Taylor's 1909 experiment with wave interference?

+a) The light was so dim that only one photon at a time was near the slits.
-b) The interference pattern mysteriously disappeared.
-c) The light was dim, but it didn't matter because he was blind.
-d) The light was so dim that the photoelectric effect couldn't occur

4) What was Plank's understanding of the significance of his work on blackbody radiation?

-a) he eventually convinced his dissertation committee that the theory was correct
+b) the thought it was some sort of mathematical trick
-c) he was afraid to publish it for fear of losing his reputation
-d) he knew it would someday win him a Nobel prize

5) A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

-a) east
-b) south
-c) zero
-d) north
+e) west

6) A car is headed due north and increasing its speed. It is also turning right because it is also traveling in a perfect circle. The velocity vector points

-a) southwest
+b) north
-c) south
-d) northwest
-e) northeast

7) A car is traveling in a perfect circle at constant speed. If the car is headed north while turning east, the acceleration is

+a) east
-b) south
-c) west
-d) zero
-e) north

8) Why don't we hear beats when two different notes on a piano are played at the same time?

-a) Echo usually stifles the beats
+b) The beats happen so many times per second you can't hear them.
-c) Reverberation usually stifles the beats
-d) The note is over by the time the first beat is heard

9) The law of reflection applies to

-a) curved surfaces
+b) both flat and curved surfaces
-c) telescopes but not microscopes
-d) flat surfaces
-e) only light in a vacuum

10) Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

-a) 9.0 meters
+b) 12.0 meters
-c) 10.0 meters
-d) 11.0 meters
-e) 8.0 meters

11) Pulse interference 1.svgThese two pulses will collide and produce

+a) positive interference
-b) positive diffraction
-c) negative interference
-d) negative diffraction

12) Pulse interference 2.svgThese two pulses will collide and produce

+a) negative interference
-b) positive interference
-c) negative diffraction
-d) positive diffraction

13) If you toss a coin into the air, the velocity on the way down is

-a) zero
-b) up
+c) down

14) Which lens has the shorter focal length?

-a) Ray drawing eye schematic01.svg
+b) Ray drawing eye schematic.svg
-c) They have the same focal lengh.

15) A car is headed due north and decreasing its speed. It is also turning left because it is also traveling in a perfect circle. The acceleration vector points

-a) west
-b) southeast
+c) southwest
-d) northwest
-e) south

16) After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.

+a) false
-b) true

17) An important principle that allows fiber optics to work is

+a) total internal reflection
-b) the invariance of the speed of light
-c) partial internal absorption
-d) the Doppler shift
-e) total external refraction
18)
Lens1b.svg
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
-a) how a farsighted person might see an object that is too close for comfort
-b) how a farsighted person might see a distant object
+c) how a nearsighted person might see a distant object
-d) how a nearsighted person might see an object that is too close for comfort

19) What are the units of Plank's constant?

-a) none of the above
-b) energy x time
-c) momentum x distance
-d) mass x velocity x distance
+e) all of the above

20) If a source of sound is moving towards you, the pitch becomes

-a) lower
+b) higher
-c) unchanged

21) If you toss a coin into the air, the velocity while it as its highest point is

-a) down
-b) up
+c) zero

22) When a wave is reflected off a stationary barrier, the reflected wave

-a) has higher frequency than the incident wave
-b) both of these are true
+c) has lower amplitude than the incident wave

23) Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

-a) Rough walls make for a louder sound.
+b) The difference in path lengths creates more reverberation.
-c) The difference in path lengths creates more echo.

24) People don't usually perceive an echo when

-a) it arrives at a lower pitch
-b) it arrives at exactly the same pitch
+c) it arrives less than a tenth of a second after the original sound
-d) it arrives at a higher pitch
-e) it takes more than a tenth of a second after the original sound to arrive

25) Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

-a) 23.0 meters
-b) 27.0 meters
+c) 24.0 meters
-d) 26.0 meters
-e) 25.0 meters

26) As the Moon circles Earth, the acceleration of the Moon is

-a) away from Earth
+b) towards Earth
-c) in the same direction as the Moon's velocity
-d) opposite the direction of the Moon's velocity
-e) zero

27) The focal point is where

-a) rays meet whenever they pass through a lens
-b) rays meet whenever they are forming an image
+c) rays meet if they were parallel to the optical axis before striking a lens
-d) rays meet if they are parallel to each other
-e) the center of the lens

28) Excepting cases where where quantum jumps in energy are induced in another object (i.e., using only the uncertainty principle), which would NOT put a classical particle into the quantum regime?

+a) high speed
-b) low speed
-c) confinement to a small space
-d) low mass

29) Mr. Smith is driving at a speed of 5 m/s, when he slows down to a speed of 4 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

+a) 9.0 meters
-b) 11.0 meters
-c) 10.0 meters
-d) 8.0 meters
-e) 12.0 meters

30) Mr. Smith starts at rest and accelerates to a speed of 4 m/s, in 2 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 2 seconds to come to rest. How far did he travel?

-a) 23.0 meters
-b) 21.0 meters
-c) 19.0 meters
+d) 20.0 meters
-e) 22.0 meters

htw:T2:V1[edit]

htw20160930T113441

1) Henry Cort developed rolling, which is 15 times _____ than ______

a) faster, hammering
b) faster, puddling
c) cheaper, puddling
d) cheaper, hammering

2) For most of the period of the Industrial Revolution, the majority of industrial power was supplied by

a) water and steam.
b) water and wind.
c) steam and wind.

3) A major change in the metal industries during the era of the Industrial Revolution was the replacement of wood and other bio-fuels with coal. Compared to wood, coal required

a) less labour to mine and was also more abundant.
b) less labour to mine, but was less abundant (until the Rineland coal fields were discovered).
c) about the same labour to mine, but was more abundant than wood.

4) Cartwright built two textile factories. One of them

a) burned down
b) was sabotaged by workers
c) is still in use today
d) was transported to Germany
e) two of these are true

5) From the figure depicting percentage of power produced by nuclear power plants, we see that the proper ranking from greatest to least reliance on nuclear power for three nations is

a) United States, France, with Turkey least reliant.
b) France, United States, with Turkey least reliant.
c) United States, Turkey, France least reliant.
d) France ,Turkey , with the United States least reliant.

6) Chadwick's discovery of the neutron was significant because neutrons

a) can be used to create radioactive material at a low price
b) are not radioactive
c) are an excellent fuel for nuclear power

7) One concern about fast breeder reactors is that the uranium reserves will be exhausted more quickly

a) false
b) true

8) The Atomic Age, published in 1945, predicted ...

a) widespread radiation poisoning
b) a world government to prevent nuclear war
c) nuclear war
d) that fossil fuels would go unused

9) During the Industrial Revolution, the best Chemists were trained in

a) Italy
b) United States
c) Great Britain
d) Germany
e) Sweden

10) Which was developed first, nuclear power generation or nuclear weapons?

a) nuclear power generation
b) nuclear weapons
c) they were developed simultaneously

11) In the United States, reprocessing of spent Uranium

a) is not allowed due to waste management concerns
b) is not allowed due to nuclear weapon proliferation concerns
c) provides 20% of our fuel needs and allows the United States to export nuclear fuel
d) provides 5% of our fuel needs which is consumed within the United states

12) Estimates of additional nuclear generating capacity to be built by 2035 fell by ______ percent after the Fukushima nuclear accident in 2011.

a) 50
b) 10
c) 90

13) One concern is that long term nuclear waste management is now being performed by a number of private waste management companies

a) true
b) false

14) It has been estimated that farmland lost due to Fukushima accident will not be farmed for centuries

a) false
b) true

15) The reprocessing of spent Uranium helps alleviate the problem of long term waste storage

a) false
b) true

16) It has been estimated that farmland lost due to Fukushima accident will be again useful for farming in 40-60 years

a) true
b) false

17) The Manhattan project made

a) plutonium and enriched uranium
b) uranium and enriched plutonium
c) plutonium and enriched hesparium

18) Manchester acquired the nickname __________ during the early 19th century owing to its sprawl of ______

a) Cottonopolis, textile factories
b) Cokopolis, coke processing plants
c) Coalopolis, coal mines
d) Weavopolis, Weaving factories

19) On the eve of the Industrial Revolution, when the textile industry was largely a cottage industry, women did the ______ and men did the _______. If a loom was used, the work done by the women required ______ person hours.

a) spinning, weaving, more
b) weaving, spinning, fewer
c) spinning, weaving, fewer
d) weaving, spinning, more

20) How does Wikipedia assess the prospects of commercial fusion power production before 2050?

a) unlikely
b) impossible
c) likely
d) expected

21) Fast breeder reactors use uranium-238, an isotope which constitutes _____ of naturally occurring uranium

a) 60%
b) 30%
c) 1 %
d) 99%
e) 3%

22) Neutrons and protons both have "strong" short range interactions with the nucleus. Why can't slow protons be used to cause nuclei to undergo fission?

a) protons move at the speed of light
b) slow protons can induce fission but they are too expensive to produce
c) protons are positively charged
d) slow protons are attracted to the nucleus

23) Reactors that use natural (unenriched) uranium are

a) are already in use
b) considered impossible
c) are likely to emerge in the next few decades

24) The first nuclear power plant to contribute to the grid was situated in

a) Oak Ridge
b) Russia
c) Great Britain
d) Virginia

25) The Calico Acts were initially designed to protect

a) large manufacturers
b) domestic cotton production
c) the woollen industry
d) small manufacturers

26) In the photoelectric effect, how was the maximum kinetic energy measured?

a) by measuring the distance between the electrodes
b) by measuring the wavelength of the light
c) by measuring the voltage required to prevent the electrons from passing between the two electrodes.

27) The Miner's Friend

a) pumped water
b) provided ventilation
c) was electrical lighting
d) transported miners

28) The industrial revolution began in

a) simultaneously in Europe and the United States
b) Great Britain
c) Germany
d) United States
e) simultaneously in a variety of European nations

29) More US nuclear submarines sank due to nuclear accidents than did Russian submarines

a) false
b) true

30) High-level radioactive waste management is a daunting problem because

a) the isotopes are short-lived
b) they cannot be stored underground
c) the isotopes are long-lived

KEY:htw:T2:V1[edit]

htw20160930T113441

1) Henry Cort developed rolling, which is 15 times _____ than ______

+a) faster, hammering
-b) faster, puddling
-c) cheaper, puddling
-d) cheaper, hammering

2) For most of the period of the Industrial Revolution, the majority of industrial power was supplied by

-a) water and steam.
+b) water and wind.
-c) steam and wind.

3) A major change in the metal industries during the era of the Industrial Revolution was the replacement of wood and other bio-fuels with coal. Compared to wood, coal required

+a) less labour to mine and was also more abundant.
-b) less labour to mine, but was less abundant (until the Rineland coal fields were discovered).
-c) about the same labour to mine, but was more abundant than wood.

4) Cartwright built two textile factories. One of them

-a) burned down
-b) was sabotaged by workers
-c) is still in use today
-d) was transported to Germany
+e) two of these are true

5) From the figure depicting percentage of power produced by nuclear power plants, we see that the proper ranking from greatest to least reliance on nuclear power for three nations is

-a) United States, France, with Turkey least reliant.
+b) France, United States, with Turkey least reliant.
-c) United States, Turkey, France least reliant.
-d) France ,Turkey , with the United States least reliant.

6) Chadwick's discovery of the neutron was significant because neutrons

+a) can be used to create radioactive material at a low price
-b) are not radioactive
-c) are an excellent fuel for nuclear power

7) One concern about fast breeder reactors is that the uranium reserves will be exhausted more quickly

+a) false
-b) true

8) The Atomic Age, published in 1945, predicted ...

-a) widespread radiation poisoning
-b) a world government to prevent nuclear war
-c) nuclear war
+d) that fossil fuels would go unused

9) During the Industrial Revolution, the best Chemists were trained in

-a) Italy
-b) United States
-c) Great Britain
+d) Germany
-e) Sweden

10) Which was developed first, nuclear power generation or nuclear weapons?

-a) nuclear power generation
+b) nuclear weapons
-c) they were developed simultaneously

11) In the United States, reprocessing of spent Uranium

-a) is not allowed due to waste management concerns
+b) is not allowed due to nuclear weapon proliferation concerns
-c) provides 20% of our fuel needs and allows the United States to export nuclear fuel
-d) provides 5% of our fuel needs which is consumed within the United states

12) Estimates of additional nuclear generating capacity to be built by 2035 fell by ______ percent after the Fukushima nuclear accident in 2011.

+a) 50
-b) 10
-c) 90

13) One concern is that long term nuclear waste management is now being performed by a number of private waste management companies

-a) true
+b) false

14) It has been estimated that farmland lost due to Fukushima accident will not be farmed for centuries

-a) false
+b) true

15) The reprocessing of spent Uranium helps alleviate the problem of long term waste storage

-a) false
+b) true

16) It has been estimated that farmland lost due to Fukushima accident will be again useful for farming in 40-60 years

-a) true
+b) false

17) The Manhattan project made

+a) plutonium and enriched uranium
-b) uranium and enriched plutonium
-c) plutonium and enriched hesparium

18) Manchester acquired the nickname __________ during the early 19th century owing to its sprawl of ______

+a) Cottonopolis, textile factories
-b) Cokopolis, coke processing plants
-c) Coalopolis, coal mines
-d) Weavopolis, Weaving factories

19) On the eve of the Industrial Revolution, when the textile industry was largely a cottage industry, women did the ______ and men did the _______. If a loom was used, the work done by the women required ______ person hours.

+a) spinning, weaving, more
-b) weaving, spinning, fewer
-c) spinning, weaving, fewer
-d) weaving, spinning, more

20) How does Wikipedia assess the prospects of commercial fusion power production before 2050?

+a) unlikely
-b) impossible
-c) likely
-d) expected

21) Fast breeder reactors use uranium-238, an isotope which constitutes _____ of naturally occurring uranium

-a) 60%
-b) 30%
-c) 1 %
+d) 99%
-e) 3%

22) Neutrons and protons both have "strong" short range interactions with the nucleus. Why can't slow protons be used to cause nuclei to undergo fission?

-a) protons move at the speed of light
-b) slow protons can induce fission but they are too expensive to produce
+c) protons are positively charged
-d) slow protons are attracted to the nucleus

23) Reactors that use natural (unenriched) uranium are

+a) are already in use
-b) considered impossible
-c) are likely to emerge in the next few decades

24) The first nuclear power plant to contribute to the grid was situated in

-a) Oak Ridge
+b) Russia
-c) Great Britain
-d) Virginia

25) The Calico Acts were initially designed to protect

-a) large manufacturers
-b) domestic cotton production
+c) the woollen industry
-d) small manufacturers

26) In the photoelectric effect, how was the maximum kinetic energy measured?

-a) by measuring the distance between the electrodes
-b) by measuring the wavelength of the light
+c) by measuring the voltage required to prevent the electrons from passing between the two electrodes.

27) The Miner's Friend

+a) pumped water
-b) provided ventilation
-c) was electrical lighting
-d) transported miners

28) The industrial revolution began in

-a) simultaneously in Europe and the United States
+b) Great Britain
-c) Germany
-d) United States
-e) simultaneously in a variety of European nations

29) More US nuclear submarines sank due to nuclear accidents than did Russian submarines

+a) false
-b) true

30) High-level radioactive waste management is a daunting problem because

-a) the isotopes are short-lived
-b) they cannot be stored underground
+c) the isotopes are long-lived

htw:T2:V2[edit]

htw20160930T113441

1) High-level radioactive waste management is a daunting problem because

a) they cannot be stored underground
b) the isotopes are long-lived
c) the isotopes are short-lived

2) It has been estimated that farmland lost due to Fukushima accident will not be farmed for centuries

a) false
b) true

3) It has been estimated that farmland lost due to Fukushima accident will be again useful for farming in 40-60 years

a) false
b) true

4) Estimates of additional nuclear generating capacity to be built by 2035 fell by ______ percent after the Fukushima nuclear accident in 2011.

a) 10
b) 50
c) 90

5) More US nuclear submarines sank due to nuclear accidents than did Russian submarines

a) true
b) false

6) Neutrons and protons both have "strong" short range interactions with the nucleus. Why can't slow protons be used to cause nuclei to undergo fission?

a) protons move at the speed of light
b) slow protons can induce fission but they are too expensive to produce
c) slow protons are attracted to the nucleus
d) protons are positively charged

7) The Atomic Age, published in 1945, predicted ...

a) a world government to prevent nuclear war
b) nuclear war
c) that fossil fuels would go unused
d) widespread radiation poisoning

8) A major change in the metal industries during the era of the Industrial Revolution was the replacement of wood and other bio-fuels with coal. Compared to wood, coal required

a) less labour to mine and was also more abundant.
b) less labour to mine, but was less abundant (until the Rineland coal fields were discovered).
c) about the same labour to mine, but was more abundant than wood.

9) How does Wikipedia assess the prospects of commercial fusion power production before 2050?

a) unlikely
b) likely
c) expected
d) impossible

10) The Calico Acts were initially designed to protect

a) small manufacturers
b) domestic cotton production
c) large manufacturers
d) the woollen industry

11) During the Industrial Revolution, the best Chemists were trained in

a) Sweden
b) United States
c) Germany
d) Great Britain
e) Italy

12) From the figure depicting percentage of power produced by nuclear power plants, we see that the proper ranking from greatest to least reliance on nuclear power for three nations is

a) France ,Turkey , with the United States least reliant.
b) United States, France, with Turkey least reliant.
c) France, United States, with Turkey least reliant.
d) United States, Turkey, France least reliant.

13) The reprocessing of spent Uranium helps alleviate the problem of long term waste storage

a) false
b) true

14) In the United States, reprocessing of spent Uranium

a) is not allowed due to waste management concerns
b) provides 20% of our fuel needs and allows the United States to export nuclear fuel
c) is not allowed due to nuclear weapon proliferation concerns
d) provides 5% of our fuel needs which is consumed within the United states

15) Manchester acquired the nickname __________ during the early 19th century owing to its sprawl of ______

a) Coalopolis, coal mines
b) Cottonopolis, textile factories
c) Cokopolis, coke processing plants
d) Weavopolis, Weaving factories

16) Which was developed first, nuclear power generation or nuclear weapons?

a) nuclear weapons
b) they were developed simultaneously
c) nuclear power generation

17) The Miner's Friend

a) pumped water
b) transported miners
c) provided ventilation
d) was electrical lighting

18) Henry Cort developed rolling, which is 15 times _____ than ______

a) faster, hammering
b) faster, puddling
c) cheaper, hammering
d) cheaper, puddling

19) In the photoelectric effect, how was the maximum kinetic energy measured?

a) by measuring the voltage required to prevent the electrons from passing between the two electrodes.
b) by measuring the distance between the electrodes
c) by measuring the wavelength of the light

20) Chadwick's discovery of the neutron was significant because neutrons

a) are an excellent fuel for nuclear power
b) are not radioactive
c) can be used to create radioactive material at a low price

21) For most of the period of the Industrial Revolution, the majority of industrial power was supplied by

a) water and steam.
b) steam and wind.
c) water and wind.

22) One concern is that long term nuclear waste management is now being performed by a number of private waste management companies

a) false
b) true

23) One concern about fast breeder reactors is that the uranium reserves will be exhausted more quickly

a) true
b) false

24) Cartwright built two textile factories. One of them

a) burned down
b) two of these are true
c) was sabotaged by workers
d) was transported to Germany
e) is still in use today

25) Fast breeder reactors use uranium-238, an isotope which constitutes _____ of naturally occurring uranium

a) 30%
b) 3%
c) 1 %
d) 99%
e) 60%

26) The industrial revolution began in

a) simultaneously in Europe and the United States
b) United States
c) Germany
d) Great Britain
e) simultaneously in a variety of European nations

27) The first nuclear power plant to contribute to the grid was situated in

a) Great Britain
b) Virginia
c) Oak Ridge
d) Russia

28) Reactors that use natural (unenriched) uranium are

a) are likely to emerge in the next few decades
b) considered impossible
c) are already in use

29) On the eve of the Industrial Revolution, when the textile industry was largely a cottage industry, women did the ______ and men did the _______. If a loom was used, the work done by the women required ______ person hours.

a) weaving, spinning, fewer
b) spinning, weaving, fewer
c) weaving, spinning, more
d) spinning, weaving, more

30) The Manhattan project made

a) plutonium and enriched uranium
b) uranium and enriched plutonium
c) plutonium and enriched hesparium

KEY:htw:T2:V2[edit]

htw20160930T113441

1) High-level radioactive waste management is a daunting problem because

-a) they cannot be stored underground
+b) the isotopes are long-lived
-c) the isotopes are short-lived

2) It has been estimated that farmland lost due to Fukushima accident will not be farmed for centuries

-a) false
+b) true

3) It has been estimated that farmland lost due to Fukushima accident will be again useful for farming in 40-60 years

+a) false
-b) true

4) Estimates of additional nuclear generating capacity to be built by 2035 fell by ______ percent after the Fukushima nuclear accident in 2011.

-a) 10
+b) 50
-c) 90

5) More US nuclear submarines sank due to nuclear accidents than did Russian submarines

-a) true
+b) false

6) Neutrons and protons both have "strong" short range interactions with the nucleus. Why can't slow protons be used to cause nuclei to undergo fission?

-a) protons move at the speed of light
-b) slow protons can induce fission but they are too expensive to produce
-c) slow protons are attracted to the nucleus
+d) protons are positively charged

7) The Atomic Age, published in 1945, predicted ...

-a) a world government to prevent nuclear war
-b) nuclear war
+c) that fossil fuels would go unused
-d) widespread radiation poisoning

8) A major change in the metal industries during the era of the Industrial Revolution was the replacement of wood and other bio-fuels with coal. Compared to wood, coal required

+a) less labour to mine and was also more abundant.
-b) less labour to mine, but was less abundant (until the Rineland coal fields were discovered).
-c) about the same labour to mine, but was more abundant than wood.

9) How does Wikipedia assess the prospects of commercial fusion power production before 2050?

+a) unlikely
-b) likely
-c) expected
-d) impossible

10) The Calico Acts were initially designed to protect

-a) small manufacturers
-b) domestic cotton production
-c) large manufacturers
+d) the woollen industry

11) During the Industrial Revolution, the best Chemists were trained in

-a) Sweden
-b) United States
+c) Germany
-d) Great Britain
-e) Italy

12) From the figure depicting percentage of power produced by nuclear power plants, we see that the proper ranking from greatest to least reliance on nuclear power for three nations is

-a) France ,Turkey , with the United States least reliant.
-b) United States, France, with Turkey least reliant.
+c) France, United States, with Turkey least reliant.
-d) United States, Turkey, France least reliant.

13) The reprocessing of spent Uranium helps alleviate the problem of long term waste storage

-a) false
+b) true

14) In the United States, reprocessing of spent Uranium

-a) is not allowed due to waste management concerns
-b) provides 20% of our fuel needs and allows the United States to export nuclear fuel
+c) is not allowed due to nuclear weapon proliferation concerns
-d) provides 5% of our fuel needs which is consumed within the United states

15) Manchester acquired the nickname __________ during the early 19th century owing to its sprawl of ______

-a) Coalopolis, coal mines
+b) Cottonopolis, textile factories
-c) Cokopolis, coke processing plants
-d) Weavopolis, Weaving factories

16) Which was developed first, nuclear power generation or nuclear weapons?

+a) nuclear weapons
-b) they were developed simultaneously
-c) nuclear power generation

17) The Miner's Friend

+a) pumped water
-b) transported miners
-c) provided ventilation
-d) was electrical lighting

18) Henry Cort developed rolling, which is 15 times _____ than ______

+a) faster, hammering
-b) faster, puddling
-c) cheaper, hammering
-d) cheaper, puddling

19) In the photoelectric effect, how was the maximum kinetic energy measured?

+a) by measuring the voltage required to prevent the electrons from passing between the two electrodes.
-b) by measuring the distance between the electrodes
-c) by measuring the wavelength of the light

20) Chadwick's discovery of the neutron was significant because neutrons

-a) are an excellent fuel for nuclear power
-b) are not radioactive
+c) can be used to create radioactive material at a low price

21) For most of the period of the Industrial Revolution, the majority of industrial power was supplied by

-a) water and steam.
-b) steam and wind.
+c) water and wind.

22) One concern is that long term nuclear waste management is now being performed by a number of private waste management companies

+a) false
-b) true

23) One concern about fast breeder reactors is that the uranium reserves will be exhausted more quickly

-a) true
+b) false

24) Cartwright built two textile factories. One of them

-a) burned down
+b) two of these are true
-c) was sabotaged by workers
-d) was transported to Germany
-e) is still in use today

25) Fast breeder reactors use uranium-238, an isotope which constitutes _____ of naturally occurring uranium

-a) 30%
-b) 3%
-c) 1 %
+d) 99%
-e) 60%

26) The industrial revolution began in

-a) simultaneously in Europe and the United States
-b) United States
-c) Germany
+d) Great Britain
-e) simultaneously in a variety of European nations

27) The first nuclear power plant to contribute to the grid was situated in

-a) Great Britain
-b) Virginia
-c) Oak Ridge
+d) Russia

28) Reactors that use natural (unenriched) uranium are

-a) are likely to emerge in the next few decades
-b) considered impossible
+c) are already in use

29) On the eve of the Industrial Revolution, when the textile industry was largely a cottage industry, women did the ______ and men did the _______. If a loom was used, the work done by the women required ______ person hours.

-a) weaving, spinning, fewer
-b) spinning, weaving, fewer
-c) weaving, spinning, more
+d) spinning, weaving, more

30) The Manhattan project made

+a) plutonium and enriched uranium
-b) uranium and enriched plutonium
-c) plutonium and enriched hesparium

htw:T3:V1[edit]

htw20160930T113441

1) Proxy temperatures measurements are defined as indirect inferences gathered from ice cores, tree rings, and so forth

a) true
b)false

2) The lede's graph of the "Global Land Ocean Temperature Index (1880-2013)" shows that since 1920, there has never been a decade of overall cooling

a) true
b) false

3) Stefan-Boltzmann radiation is called a negative feedback mechanism because if the sun's radiation increases, the Stefan-Boltzmann law ensures that this heat is retained by the planet.

a) false
b) true

4) The lede's graphs of the "Global Land Ocean Temperature Index (1880-2013)" indicates that from 1960 to 2012 the average temperature increased by approximately

a) 0.16° Celsius
b) 0.06° Celsius
c) 0.6° Celsius
d) 1.6° Celsius
e) 16° Celsius

5) The Reconstructed Temperature (0-2000 AD) plot in "Observed Temperature Changes" shows temperature measurements, as well as what curious feature? (See also Divergence problem)

a) the fact that the different proxy measurements deviate considerably from the average of all proxy measurements
b) a tiny gap at the end of the proxy measurements
c) the Little Ice Age being less prominent than the Medieval Warming period
d) a divergence between the tree and pollen proxy measurements

6) In the arctic, soot tends to cool the earth.

a) true
b) false

7) Changes in ice-albedo refers to changes in

a) how much ice is melted during the summer months
b) how much the Earth's surface absorbs or reflects incoming sunlight
c) how much CO2 is absorbed by the sun

8) "External forcings" refer to effects that can either increase or decrease, the Earth's temperature.

a) false
b) true

9) Which statement is FALSE about the lede's map of the temperature anomaly (2000-2009)?

a) all portions of Antarctica have warmed
b) Central Europe has warmed more than the continental United States
c) The United States has warmed more than Australia
d) Northern Asia has warmed more than southern Asia

10) Compared with the first half of the twentieth century, the rate of earth's average temperature rise during the second (latter) half was

a) twice as much
b) about the same
c) half as much

11) The Reconstructed Temperature (0-2000 AD) plot in "Observed Temperature Changes" shows temperature measurements. The solid black line represents

a) thermometer measurements
b) tree proxy measurements
c) the Little Ice Age
d) a 10 year average
e) the Medieval Warming Period

12) The climate change community is divided between those who believe the goal should be to eliminate the earth's greenhouse effect altogether, and those who argue that we should attempt to minimize earth's greenhouse effect.

a) false
b) true

13) The "Greenhouse effect schematic" in the section on "Temperature changes..." indicates that most of the energy from the Sun is absorbed at the earth's surface.

a) true
b) false

14) The lede's "CO2 Emissions per Year" graph (1990-2010) shows dips and rises that are caused by changes in

a) worldwide efforts to curtail emissions
b) the sun's energy output
c) the world economy
d) the earth's distance from the sun

15) Computer modeling has conclusively established that anthropogenic warming has occurred since 1910.

a) false
b) true

16) In the arctic, soot tends to warm the earth.

a) true
b) false

17) The Stefan-Boltzmann law plays a central role in establishing a planets temperature as the sun heats the planet with thermal (infra-red) radiation adding to the other solar radiation onto the planet

a) true
b) false

18) In climate science, mitigation refers to:

a) reduction of green house emissions
b) adaptation to the effects of global warming
c) building systems resilient to the effects of global warming
d) climate engineering

19) Greenhouse warming acts to warm the stratosphere

a) true
b) false

20) The urban heat island effect refers to the fact that urban areas tend to be hotter than rural areas. The urban heat island effect is estimated to account for approximately _____ of the temperature rise over the past century.

a) 0.3%
b) 30%
c) 0%
d) 3%

21) Computer models accurately model feedback mechanisms associated with the role of clouds as a feedback mechanism.}

a) false
b) true

22) Greenhouse warming acts to cool the stratosphere

a) true
b) false

23) Carbon dioxide contributes more to the greenhouse effect than does water vapor.

a) true
b) false

24) Stefan-Boltzmann radiation is called a negative feedback mechanism because if the sun's radiation increases, the Stefan-Boltzmann law ensures that more heat is lost from the planet to compensate.

a) true
b) false

25) Emissions scenarios are

a) estimates of changes in future emission levels of greenhouse gases
b) estimates of how greenhouse gasses are absorbed and emitted by agriculture
c) estimates of how greenhouse gasses are absorbed and emitted by the world's oceans
d) estimates of how greenhouse gasses are absorbed and emitted by nature

26) What happens when water is heated?

a) it absorbs CO2
b) it expands at temperatures above 3.98°C and contracts below 3.98°C
c) it expands at temperatures below 3.98°C and contracts above 3.98°C

27) The Earth's average surface temperature rose by approximately _______ per decade over the period 1906–2005.}

a) 7.0°C
b) 0.7°C
c) 0.07°C

28) in 2013, the IPCC stated that the largest driver of global warming is carbon dioxide (CO2) emissions from fossil fuel combustion. Other important sources of CO2 are

a) cement production and waste disposal
b) population growth
c) cement production and land use changes
d) population growth and waste disposal

29) It is expected that carbon emissions will begin to diminish in the 21st century as fossil fuel reserves begin to dwindle.

a) false
b) true

30) Soot tends to cool the earth when it accumulates in atmospheric brown clouds.

a) true
b) false

KEY:htw:T3:V1[edit]

htw20160930T113441

1) Proxy temperatures measurements are defined as indirect inferences gathered from ice cores, tree rings, and so forth

+a) true
-b)false

2) The lede's graph of the "Global Land Ocean Temperature Index (1880-2013)" shows that since 1920, there has never been a decade of overall cooling

-a) true
+b) false

3) Stefan-Boltzmann radiation is called a negative feedback mechanism because if the sun's radiation increases, the Stefan-Boltzmann law ensures that this heat is retained by the planet.

+a) false
-b) true

4) The lede's graphs of the "Global Land Ocean Temperature Index (1880-2013)" indicates that from 1960 to 2012 the average temperature increased by approximately

-a) 0.16° Celsius
-b) 0.06° Celsius
+c) 0.6° Celsius
-d) 1.6° Celsius
-e) 16° Celsius

5) The Reconstructed Temperature (0-2000 AD) plot in "Observed Temperature Changes" shows temperature measurements, as well as what curious feature? (See also Divergence problem)

-a) the fact that the different proxy measurements deviate considerably from the average of all proxy measurements
+b) a tiny gap at the end of the proxy measurements
-c) the Little Ice Age being less prominent than the Medieval Warming period
-d) a divergence between the tree and pollen proxy measurements

6) In the arctic, soot tends to cool the earth.

-a) true
+b) false

7) Changes in ice-albedo refers to changes in

-a) how much ice is melted during the summer months
+b) how much the Earth's surface absorbs or reflects incoming sunlight
-c) how much CO2 is absorbed by the sun

8) "External forcings" refer to effects that can either increase or decrease, the Earth's temperature.

+a) false
-b) true

9) Which statement is FALSE about the lede's map of the temperature anomaly (2000-2009)?

+a) all portions of Antarctica have warmed
-b) Central Europe has warmed more than the continental United States
-c) The United States has warmed more than Australia
-d) Northern Asia has warmed more than southern Asia

10) Compared with the first half of the twentieth century, the rate of earth's average temperature rise during the second (latter) half was

+a) twice as much
-b) about the same
-c) half as much

11) The Reconstructed Temperature (0-2000 AD) plot in "Observed Temperature Changes" shows temperature measurements. The solid black line represents

+a) thermometer measurements
-b) tree proxy measurements
-c) the Little Ice Age
-d) a 10 year average
-e) the Medieval Warming Period

12) The climate change community is divided between those who believe the goal should be to eliminate the earth's greenhouse effect altogether, and those who argue that we should attempt to minimize earth's greenhouse effect.

+a) false
-b) true

13) The "Greenhouse effect schematic" in the section on "Temperature changes..." indicates that most of the energy from the Sun is absorbed at the earth's surface.

+a) true
-b) false

14) The lede's "CO2 Emissions per Year" graph (1990-2010) shows dips and rises that are caused by changes in

-a) worldwide efforts to curtail emissions
-b) the sun's energy output
+c) the world economy
-d) the earth's distance from the sun

15) Computer modeling has conclusively established that anthropogenic warming has occurred since 1910.

+a) false
-b) true

16) In the arctic, soot tends to warm the earth.

+a) true
-b) false

17) The Stefan-Boltzmann law plays a central role in establishing a planets temperature as the sun heats the planet with thermal (infra-red) radiation adding to the other solar radiation onto the planet

-a) true
+b) false

18) In climate science, mitigation refers to:

+a) reduction of green house emissions
-b) adaptation to the effects of global warming
-c) building systems resilient to the effects of global warming
-d) climate engineering

19) Greenhouse warming acts to warm the stratosphere

-a) true
+b) false

20) The urban heat island effect refers to the fact that urban areas tend to be hotter than rural areas. The urban heat island effect is estimated to account for approximately _____ of the temperature rise over the past century.

-a) 0.3%
-b) 30%
-c) 0%
+d) 3%

21) Computer models accurately model feedback mechanisms associated with the role of clouds as a feedback mechanism.}

+a) false
-b) true

22) Greenhouse warming acts to cool the stratosphere

+a) true
-b) false

23) Carbon dioxide contributes more to the greenhouse effect than does water vapor.

-a) true
+b) false

24) Stefan-Boltzmann radiation is called a negative feedback mechanism because if the sun's radiation increases, the Stefan-Boltzmann law ensures that more heat is lost from the planet to compensate.

+a) true
-b) false

25) Emissions scenarios are

+a) estimates of changes in future emission levels of greenhouse gases
-b) estimates of how greenhouse gasses are absorbed and emitted by agriculture
-c) estimates of how greenhouse gasses are absorbed and emitted by the world's oceans
-d) estimates of how greenhouse gasses are absorbed and emitted by nature

26) What happens when water is heated?

-a) it absorbs CO2
+b) it expands at temperatures above 3.98°C and contracts below 3.98°C
-c) it expands at temperatures below 3.98°C and contracts above 3.98°C

27) The Earth's average surface temperature rose by approximately _______ per decade over the period 1906–2005.}

-a) 7.0°C
-b) 0.7°C
+c) 0.07°C

28) in 2013, the IPCC stated that the largest driver of global warming is carbon dioxide (CO2) emissions from fossil fuel combustion. Other important sources of CO2 are

-a) cement production and waste disposal
-b) population growth
+c) cement production and land use changes
-d) population growth and waste disposal

29) It is expected that carbon emissions will begin to diminish in the 21st century as fossil fuel reserves begin to dwindle.

+a) false
-b) true

30) Soot tends to cool the earth when it accumulates in atmospheric brown clouds.

+a) true
-b) false

htw:T3:V2[edit]

htw20160930T113441

1) in 2013, the IPCC stated that the largest driver of global warming is carbon dioxide (CO2) emissions from fossil fuel combustion. Other important sources of CO2 are

a) population growth and waste disposal
b) cement production and waste disposal
c) population growth
d) cement production and land use changes

2) The Reconstructed Temperature (0-2000 AD) plot in "Observed Temperature Changes" shows temperature measurements. The solid black line represents

a) the Medieval Warming Period
b) the Little Ice Age
c) tree proxy measurements
d) thermometer measurements
e) a 10 year average

3) The Reconstructed Temperature (0-2000 AD) plot in "Observed Temperature Changes" shows temperature measurements, as well as what curious feature? (See also Divergence problem)

a) the Little Ice Age being less prominent than the Medieval Warming period
b) the fact that the different proxy measurements deviate considerably from the average of all proxy measurements
c) a tiny gap at the end of the proxy measurements
d) a divergence between the tree and pollen proxy measurements

4) The Earth's average surface temperature rose by approximately _______ per decade over the period 1906–2005.}

a) 0.07°C
b) 7.0°C
c) 0.7°C

5) Greenhouse warming acts to cool the stratosphere

a) true
b) false

6) In the arctic, soot tends to cool the earth.

a) true
b) false

7) Compared with the first half of the twentieth century, the rate of earth's average temperature rise during the second (latter) half was

a) about the same
b) half as much
c) twice as much

8) The climate change community is divided between those who believe the goal should be to eliminate the earth's greenhouse effect altogether, and those who argue that we should attempt to minimize earth's greenhouse effect.

a) false
b) true

9) "External forcings" refer to effects that can either increase or decrease, the Earth's temperature.

a) false
b) true

10) Emissions scenarios are

a) estimates of how greenhouse gasses are absorbed and emitted by agriculture
b) estimates of how greenhouse gasses are absorbed and emitted by the world's oceans
c) estimates of changes in future emission levels of greenhouse gases
d) estimates of how greenhouse gasses are absorbed and emitted by nature

11) The urban heat island effect refers to the fact that urban areas tend to be hotter than rural areas. The urban heat island effect is estimated to account for approximately _____ of the temperature rise over the past century.

a) 30%
b) 0.3%
c) 3%
d) 0%

12) Computer models accurately model feedback mechanisms associated with the role of clouds as a feedback mechanism.}

a) false
b) true

13) The lede's graph of the "Global Land Ocean Temperature Index (1880-2013)" shows that since 1920, there has never been a decade of overall cooling

a) true
b) false

14) In climate science, mitigation refers to:

a) reduction of green house emissions
b) climate engineering
c) adaptation to the effects of global warming
d) building systems resilient to the effects of global warming

15) Stefan-Boltzmann radiation is called a negative feedback mechanism because if the sun's radiation increases, the Stefan-Boltzmann law ensures that more heat is lost from the planet to compensate.

a) false
b) true

16) Stefan-Boltzmann radiation is called a negative feedback mechanism because if the sun's radiation increases, the Stefan-Boltzmann law ensures that this heat is retained by the planet.

a) true
b) false

17) The "Greenhouse effect schematic" in the section on "Temperature changes..." indicates that most of the energy from the Sun is absorbed at the earth's surface.

a) false
b) true

18) The Stefan-Boltzmann law plays a central role in establishing a planets temperature as the sun heats the planet with thermal (infra-red) radiation adding to the other solar radiation onto the planet

a) false
b) true

19) It is expected that carbon emissions will begin to diminish in the 21st century as fossil fuel reserves begin to dwindle.

a) false
b) true

20) Changes in ice-albedo refers to changes in

a) how much ice is melted during the summer months
b) how much the Earth's surface absorbs or reflects incoming sunlight
c) how much CO2 is absorbed by the sun

21) The lede's graphs of the "Global Land Ocean Temperature Index (1880-2013)" indicates that from 1960 to 2012 the average temperature increased by approximately

a) 0.6° Celsius
b) 0.16° Celsius
c) 1.6° Celsius
d) 16° Celsius
e) 0.06° Celsius

22) Soot tends to cool the earth when it accumulates in atmospheric brown clouds.

a) true
b) false

23) Computer modeling has conclusively established that anthropogenic warming has occurred since 1910.

a) true
b) false

24) What happens when water is heated?

a) it absorbs CO2
b) it expands at temperatures below 3.98°C and contracts above 3.98°C
c) it expands at temperatures above 3.98°C and contracts below 3.98°C

25) In the arctic, soot tends to warm the earth.

a) true
b) false

26) Carbon dioxide contributes more to the greenhouse effect than does water vapor.

a) true
b) false

27) Which statement is FALSE about the lede's map of the temperature anomaly (2000-2009)?

a) Central Europe has warmed more than the continental United States
b) all portions of Antarctica have warmed
c) Northern Asia has warmed more than southern Asia
d) The United States has warmed more than Australia

28) Proxy temperatures measurements are defined as indirect inferences gathered from ice cores, tree rings, and so forth

a) true
b)false

29) Greenhouse warming acts to warm the stratosphere

a) true
b) false

30) The lede's "CO2 Emissions per Year" graph (1990-2010) shows dips and rises that are caused by changes in

a) the sun's energy output
b) the world economy
c) worldwide efforts to curtail emissions
d) the earth's distance from the sun

KEY:htw:T3:V2[edit]

htw20160930T113441

1) in 2013, the IPCC stated that the largest driver of global warming is carbon dioxide (CO2) emissions from fossil fuel combustion. Other important sources of CO2 are

-a) population growth and waste disposal
-b) cement production and waste disposal
-c) population growth
+d) cement production and land use changes

2) The Reconstructed Temperature (0-2000 AD) plot in "Observed Temperature Changes" shows temperature measurements. The solid black line represents

-a) the Medieval Warming Period
-b) the Little Ice Age
-c) tree proxy measurements
+d) thermometer measurements
-e) a 10 year average

3) The Reconstructed Temperature (0-2000 AD) plot in "Observed Temperature Changes" shows temperature measurements, as well as what curious feature? (See also Divergence problem)

-a) the Little Ice Age being less prominent than the Medieval Warming period
-b) the fact that the different proxy measurements deviate considerably from the average of all proxy measurements
+c) a tiny gap at the end of the proxy measurements
-d) a divergence between the tree and pollen proxy measurements

4) The Earth's average surface temperature rose by approximately _______ per decade over the period 1906–2005.}

+a) 0.07°C
-b) 7.0°C
-c) 0.7°C

5) Greenhouse warming acts to cool the stratosphere

+a) true
-b) false

6) In the arctic, soot tends to cool the earth.

-a) true
+b) false

7) Compared with the first half of the twentieth century, the rate of earth's average temperature rise during the second (latter) half was

-a) about the same
-b) half as much
+c) twice as much

8) The climate change community is divided between those who believe the goal should be to eliminate the earth's greenhouse effect altogether, and those who argue that we should attempt to minimize earth's greenhouse effect.

+a) false
-b) true

9) "External forcings" refer to effects that can either increase or decrease, the Earth's temperature.

+a) false
-b) true

10) Emissions scenarios are

-a) estimates of how greenhouse gasses are absorbed and emitted by agriculture
-b) estimates of how greenhouse gasses are absorbed and emitted by the world's oceans
+c) estimates of changes in future emission levels of greenhouse gases
-d) estimates of how greenhouse gasses are absorbed and emitted by nature

11) The urban heat island effect refers to the fact that urban areas tend to be hotter than rural areas. The urban heat island effect is estimated to account for approximately _____ of the temperature rise over the past century.

-a) 30%
-b) 0.3%
+c) 3%
-d) 0%

12) Computer models accurately model feedback mechanisms associated with the role of clouds as a feedback mechanism.}

+a) false
-b) true

13) The lede's graph of the "Global Land Ocean Temperature Index (1880-2013)" shows that since 1920, there has never been a decade of overall cooling

-a) true
+b) false

14) In climate science, mitigation refers to:

+a) reduction of green house emissions
-b) climate engineering
-c) adaptation to the effects of global warming
-d) building systems resilient to the effects of global warming

15) Stefan-Boltzmann radiation is called a negative feedback mechanism because if the sun's radiation increases, the Stefan-Boltzmann law ensures that more heat is lost from the planet to compensate.

-a) false
+b) true

16) Stefan-Boltzmann radiation is called a negative feedback mechanism because if the sun's radiation increases, the Stefan-Boltzmann law ensures that this heat is retained by the planet.

-a) true
+b) false

17) The "Greenhouse effect schematic" in the section on "Temperature changes..." indicates that most of the energy from the Sun is absorbed at the earth's surface.

-a) false
+b) true

18) The Stefan-Boltzmann law plays a central role in establishing a planets temperature as the sun heats the planet with thermal (infra-red) radiation adding to the other solar radiation onto the planet

+a) false
-b) true

19) It is expected that carbon emissions will begin to diminish in the 21st century as fossil fuel reserves begin to dwindle.

+a) false
-b) true

20) Changes in ice-albedo refers to changes in

-a) how much ice is melted during the summer months
+b) how much the Earth's surface absorbs or reflects incoming sunlight
-c) how much CO2 is absorbed by the sun

21) The lede's graphs of the "Global Land Ocean Temperature Index (1880-2013)" indicates that from 1960 to 2012 the average temperature increased by approximately

+a) 0.6° Celsius
-b) 0.16° Celsius
-c) 1.6° Celsius
-d) 16° Celsius
-e) 0.06° Celsius

22) Soot tends to cool the earth when it accumulates in atmospheric brown clouds.

+a) true
-b) false

23) Computer modeling has conclusively established that anthropogenic warming has occurred since 1910.

-a) true
+b) false

24) What happens when water is heated?

-a) it absorbs CO2
-b) it expands at temperatures below 3.98°C and contracts above 3.98°C
+c) it expands at temperatures above 3.98°C and contracts below 3.98°C

25) In the arctic, soot tends to warm the earth.

+a) true
-b) false

26) Carbon dioxide contributes more to the greenhouse effect than does water vapor.

-a) true
+b) false

27) Which statement is FALSE about the lede's map of the temperature anomaly (2000-2009)?

-a) Central Europe has warmed more than the continental United States
+b) all portions of Antarctica have warmed
-c) Northern Asia has warmed more than southern Asia
-d) The United States has warmed more than Australia

28) Proxy temperatures measurements are defined as indirect inferences gathered from ice cores, tree rings, and so forth

+a) true
-b)false

29) Greenhouse warming acts to warm the stratosphere

-a) true
+b) false

30) The lede's "CO2 Emissions per Year" graph (1990-2010) shows dips and rises that are caused by changes in

-a) the sun's energy output
+b) the world economy
-c) worldwide efforts to curtail emissions
-d) the earth's distance from the sun

htw:T4:V1[edit]

htw20160930T113441

1) Analog computers continued to be developed into the twentieth century

a) true
b) false

2) The Turing machine could not have been invented until after the halting problem was solved.

a) true
b) false

3) What is so special about 3 Saros cycles (triple Saros)?

a) this eclipse will occur at the same time of day
b) this eclipse terminates the Saros (and a new Saros number is assigned.)
c) this eclipse will occur at the same day of the month (plus or minus one day)
d) this eclipse will occur with the Moon in the same position on the zodiac.

4) The months of the Antikythera device are labeled with Egyptian names transcribed into Greek

a) false
b) true

5) Analog computers were phased out by the dawn of the twentieth century (circa 1900)

a) false
b) true

6) Two great circles on a sphere meet at ______ point(s)

a) 0
b) 2
c) 1
d) 3
e) 4

7) While the Babylonians invented what we call the Saros cycle, they did not call it by that name.

a) false
b) true
8)
Crown gear.png
A ____________ is a gear which has teeth that projects at right angles to the face of the wheel.
a) epicycle gear
b) spiral bevel gear
c) crown gear

9) , calculates that the Sun moves 15

a) degrees per hour across the sky
b) degrees per day compared to the fixed stars
c) degrees per day across the sky
d) degrees per hour compared to the fixed stars

10) Babbage's use of punch cards in the 1930s to solve a problem posed by the Astronomical Society was later adopted to the Jacquard loom.

a) false
b) true

11) What remains nearly the same after a single saros cycle has occured?

a) phase of moon and position of moon relative to the background stars (i.e. zodiacal location)
b) phase of moon and position of sun relative to background stars (i.e. zodiacal location)
c) phase of moon and earth-moon distance

12) Suppose that you see a full moon, but no eclipse. You can be certain that a full moon will also occur exactly one Saros later.

a) false
b) true
13) If the machine is at B: 000110 , what's next?
2-state 2-symbol busy beaver.svg
a) B: 001110
b) A: 001110
c) A: 001110
d) B: 000111

14) Babbage's use of punch cards in the 1930s to solve a problem posed by the Astronomical Society was preceded by such use on the Jacquard loom.

a) true
b) false

15) Chemical analysis of the bronze used in the gears of the Antikythera device

a) suggested that a number of such devices had been produced.
b) suggested that Greek technology was used.
c) suggested that Roman technology was used.
d) was not possible due to the degree of corrosion.

16) What clue is cited to suggest that the Antikythera device was not the first of its kind?

a) Other boxes in the wreck seemed to have held similar devices.
b) Chemical analysis of the bronze.
c) The quality of its manufacture.
d) Instructions for making other devices were found at the wreck site.

17) Sothic calendar was an Egyptian calendar with twelve months of 30 days plus five intercalary days to keep the year synchronous with the Saros cycle.}

a) false
b) true
18) If the machine is at A: 000000, what's next?
2-state 2-symbol busy beaver.svg
a) B: 000100
b) A: 000100
c) B: 000010
d) A: 000010

19) A system that uses levers, pulleys, or other mechanical device to perform calculations is called an analog computer

a) false
b) true

20) A mechanical analog computer uses pulleys, levers, wheels or some other motion to solve problems of a mathematical nature.

a) true
b) false

21) The Antikythera wreck was discovered by _________ in ________.

a) Jacques-Yves Cousteau;   1976
b) sponge divers;   1900

22) Sothic calendar was an Egyptian calendar with twelve months of 30 days plus five intercalary days to keep the year synchronous with the Lunar phases.}

a) false
b) true
23) If the machine is at B: 000100, what's next?
2-state 2-symbol busy beaver.svg
a) B: 000110
b) B: 000110
c) A: 000110
d) A: 001100

24) This algorithm halts if it starts at 0:
* Add 3
* If the number is divisible by 10, add 10
* Stop if the number exceeds 100
* Go to top

a) false
b) true

25) Evidence suggests that it was not possible to set the Antikythera device without referring to a written table to ascertain the dial settings for a given date.

a) false
b) true

26) Babbage's account of the origin of the difference engine in the 1820s was that he was working to satisfy the Astronomical Society's desire to predict lunar eclipses

a) false
b) true

27) Your best friend's pet lizard is thirsty every 2 days, hungry every 3 days, and frisky every 5 days. If she is thirsty, hungry, and frisky today, whe will be thirsty, hungry, and frisky _____ days later

a) 10
b) 40
c) 15
d) 30

28) How many years did it take before Europe made a device as sophisticated as the Antikythera mechanism?

a)3000 years
b)1500 years
c)30 years
d)300 years
e)15,000 years

29) In the course of a year, the Sun is always in or near one of the 12 zodiacal constellations

a) true
b) false

30) Four minutes times 365 is approximately one

a) week
b) year
c) month
d) day

KEY:htw:T4:V1[edit]

htw20160930T113441

1) Analog computers continued to be developed into the twentieth century

+a) true
-b) false

2) The Turing machine could not have been invented until after the halting problem was solved.

-a) true
+b) false

3) What is so special about 3 Saros cycles (triple Saros)?

+a) this eclipse will occur at the same time of day
-b) this eclipse terminates the Saros (and a new Saros number is assigned.)
-c) this eclipse will occur at the same day of the month (plus or minus one day)
-d) this eclipse will occur with the Moon in the same position on the zodiac.

4) The months of the Antikythera device are labeled with Egyptian names transcribed into Greek

-a) false
+b) true

5) Analog computers were phased out by the dawn of the twentieth century (circa 1900)

+a) false
-b) true

6) Two great circles on a sphere meet at ______ point(s)

-a) 0
+b) 2
-c) 1
-d) 3
-e) 4

7) While the Babylonians invented what we call the Saros cycle, they did not call it by that name.

-a) false
+b) true
8)
Crown gear.png
A ____________ is a gear which has teeth that projects at right angles to the face of the wheel.
-a) epicycle gear
-b) spiral bevel gear
+c) crown gear

9) , calculates that the Sun moves 15

+a) degrees per hour across the sky
-b) degrees per day compared to the fixed stars
-c) degrees per day across the sky
-d) degrees per hour compared to the fixed stars

10) Babbage's use of punch cards in the 1930s to solve a problem posed by the Astronomical Society was later adopted to the Jacquard loom.

+a) false
-b) true

11) What remains nearly the same after a single saros cycle has occured?

-a) phase of moon and position of moon relative to the background stars (i.e. zodiacal location)
-b) phase of moon and position of sun relative to background stars (i.e. zodiacal location)
+c) phase of moon and earth-moon distance

12) Suppose that you see a full moon, but no eclipse. You can be certain that a full moon will also occur exactly one Saros later.

-a) false
+b) true
13) If the machine is at B: 000110 , what's next?
2-state 2-symbol busy beaver.svg
-a) B: 001110
-b) A: 001110
+c) A: 001110
-d) B: 000111

14) Babbage's use of punch cards in the 1930s to solve a problem posed by the Astronomical Society was preceded by such use on the Jacquard loom.

+a) true
-b) false

15) Chemical analysis of the bronze used in the gears of the Antikythera device

-a) suggested that a number of such devices had been produced.
-b) suggested that Greek technology was used.
-c) suggested that Roman technology was used.
+d) was not possible due to the degree of corrosion.

16) What clue is cited to suggest that the Antikythera device was not the first of its kind?

-a) Other boxes in the wreck seemed to have held similar devices.
-b) Chemical analysis of the bronze.
+c) The quality of its manufacture.
-d) Instructions for making other devices were found at the wreck site.

17) Sothic calendar was an Egyptian calendar with twelve months of 30 days plus five intercalary days to keep the year synchronous with the Saros cycle.}

+a) false
-b) true
18) If the machine is at A: 000000, what's next?
2-state 2-symbol busy beaver.svg
+a) B: 000100
-b) A: 000100
-c) B: 000010
-d) A: 000010

19) A system that uses levers, pulleys, or other mechanical device to perform calculations is called an analog computer

-a) false
+b) true

20) A mechanical analog computer uses pulleys, levers, wheels or some other motion to solve problems of a mathematical nature.

+a) true
-b) false

21) The Antikythera wreck was discovered by _________ in ________.

-a) Jacques-Yves Cousteau;   1976
+b) sponge divers;   1900

22) Sothic calendar was an Egyptian calendar with twelve months of 30 days plus five intercalary days to keep the year synchronous with the Lunar phases.}

+a) false
-b) true
23) If the machine is at B: 000100, what's next?
2-state 2-symbol busy beaver.svg
-a) B: 000110
-b) B: 000110
+c) A: 000110
-d) A: 001100

24) This algorithm halts if it starts at 0:
* Add 3
* If the number is divisible by 10, add 10
* Stop if the number exceeds 100
* Go to top

-a) false
+b) true

25) Evidence suggests that it was not possible to set the Antikythera device without referring to a written table to ascertain the dial settings for a given date.

-a) false
+b) true

26) Babbage's account of the origin of the difference engine in the 1820s was that he was working to satisfy the Astronomical Society's desire to predict lunar eclipses

+a) false
-b) true

27) Your best friend's pet lizard is thirsty every 2 days, hungry every 3 days, and frisky every 5 days. If she is thirsty, hungry, and frisky today, whe will be thirsty, hungry, and frisky _____ days later

-a) 10
-b) 40
-c) 15
+d) 30

28) How many years did it take before Europe made a device as sophisticated as the Antikythera mechanism?

-a)3000 years
+b)1500 years
-c)30 years
-d)300 years
-e)15,000 years

29) In the course of a year, the Sun is always in or near one of the 12 zodiacal constellations

+a) true
-b) false

30) Four minutes times 365 is approximately one

-a) week
-b) year
-c) month
+d) day

htw:T4:V2[edit]

htw20160930T113441
1)
Crown gear.png
A ____________ is a gear which has teeth that projects at right angles to the face of the wheel.
a) crown gear
b) spiral bevel gear
c) epicycle gear

2) Babbage's use of punch cards in the 1930s to solve a problem posed by the Astronomical Society was preceded by such use on the Jacquard loom.

a) false
b) true
3) If the machine is at B: 000110 , what's next?
2-state 2-symbol busy beaver.svg
a) B: 001110
b) A: 001110
c) A: 001110
d) B: 000111

4) Sothic calendar was an Egyptian calendar with twelve months of 30 days plus five intercalary days to keep the year synchronous with the Saros cycle.}

a) true
b) false
5) If the machine is at B: 000100, what's next?
2-state 2-symbol busy beaver.svg
a) A: 000110
b) B: 000110
c) B: 000110
d) A: 001100

6) Babbage's use of punch cards in the 1930s to solve a problem posed by the Astronomical Society was later adopted to the Jacquard loom.

a) true
b) false

7) The Antikythera wreck was discovered by _________ in ________.

a) Jacques-Yves Cousteau;   1976
b) sponge divers;   1900

8) Babbage's account of the origin of the difference engine in the 1820s was that he was working to satisfy the Astronomical Society's desire to predict lunar eclipses

a) true
b) false

9) , calculates that the Sun moves 15

a) degrees per day across the sky
b) degrees per hour compared to the fixed stars
c) degrees per hour across the sky
d) degrees per day compared to the fixed stars

10) While the Babylonians invented what we call the Saros cycle, they did not call it by that name.

a) true
b) false

11) Sothic calendar was an Egyptian calendar with twelve months of 30 days plus five intercalary days to keep the year synchronous with the Lunar phases.}

a) true
b) false

12) Evidence suggests that it was not possible to set the Antikythera device without referring to a written table to ascertain the dial settings for a given date.

a) false
b) true

13) What remains nearly the same after a single saros cycle has occured?

a) phase of moon and position of sun relative to background stars (i.e. zodiacal location)
b) phase of moon and position of moon relative to the background stars (i.e. zodiacal location)
c) phase of moon and earth-moon distance

14) What is so special about 3 Saros cycles (triple Saros)?

a) this eclipse terminates the Saros (and a new Saros number is assigned.)
b) this eclipse will occur with the Moon in the same position on the zodiac.
c) this eclipse will occur at the same day of the month (plus or minus one day)
d) this eclipse will occur at the same time of day

15) In the course of a year, the Sun is always in or near one of the 12 zodiacal constellations

a) true
b) false

16) How many years did it take before Europe made a device as sophisticated as the Antikythera mechanism?

a)1500 years
b)3000 years
c)15,000 years
d)30 years
e)300 years

17) This algorithm halts if it starts at 0:
* Add 3
* If the number is divisible by 10, add 10
* Stop if the number exceeds 100
* Go to top

a) true
b) false

18) Chemical analysis of the bronze used in the gears of the Antikythera device

a) was not possible due to the degree of corrosion.
b) suggested that Roman technology was used.
c) suggested that a number of such devices had been produced.
d) suggested that Greek technology was used.

19) The Turing machine could not have been invented until after the halting problem was solved.

a) false
b) true

20) Analog computers continued to be developed into the twentieth century

a) false
b) true

21) Four minutes times 365 is approximately one

a) month
b) day
c) week
d) year

22) What clue is cited to suggest that the Antikythera device was not the first of its kind?

a) Chemical analysis of the bronze.
b) The quality of its manufacture.
c) Instructions for making other devices were found at the wreck site.
d) Other boxes in the wreck seemed to have held similar devices.

23) Two great circles on a sphere meet at ______ point(s)

a) 3
b) 0
c) 1
d) 4
e) 2

24) Analog computers were phased out by the dawn of the twentieth century (circa 1900)

a) false
b) true
25) If the machine is at A: 000000, what's next?
2-state 2-symbol busy beaver.svg
a) B: 000010
b) A: 000010
c) B: 000100
d) A: 000100

26) A mechanical analog computer uses pulleys, levers, wheels or some other motion to solve problems of a mathematical nature.

a) true
b) false

27) A system that uses levers, pulleys, or other mechanical device to perform calculations is called an analog computer

a) false
b) true

28) Suppose that you see a full moon, but no eclipse. You can be certain that a full moon will also occur exactly one Saros later.

a) true
b) false

29) The months of the Antikythera device are labeled with Egyptian names transcribed into Greek

a) true
b) false

30) Your best friend's pet lizard is thirsty every 2 days, hungry every 3 days, and frisky every 5 days. If she is thirsty, hungry, and frisky today, whe will be thirsty, hungry, and frisky _____ days later

a) 30
b) 40
c) 10
d) 15

KEY:htw:T4:V2[edit]

htw20160930T113441

1)
Crown gear.png
A ____________ is a gear which has teeth that projects at right angles to the face of the wheel.
+a) crown gear
-b) spiral bevel gear
-c) epicycle gear

2) Babbage's use of punch cards in the 1930s to solve a problem posed by the Astronomical Society was preceded by such use on the Jacquard loom.

-a) false
+b) true
3) If the machine is at B: 000110 , what's next?
2-state 2-symbol busy beaver.svg
-a) B: 001110
+b) A: 001110
-c) A: 001110
-d) B: 000111

4) Sothic calendar was an Egyptian calendar with twelve months of 30 days plus five intercalary days to keep the year synchronous with the Saros cycle.}

-a) true
+b) false
5) If the machine is at B: 000100, what's next?
2-state 2-symbol busy beaver.svg
+a) A: 000110
-b) B: 000110
-c) B: 000110
-d) A: 001100

6) Babbage's use of punch cards in the 1930s to solve a problem posed by the Astronomical Society was later adopted to the Jacquard loom.

-a) true
+b) false

7) The Antikythera wreck was discovered by _________ in ________.

-a) Jacques-Yves Cousteau;   1976
+b) sponge divers;   1900

8) Babbage's account of the origin of the difference engine in the 1820s was that he was working to satisfy the Astronomical Society's desire to predict lunar eclipses

-a) true
+b) false

9) , calculates that the Sun moves 15

-a) degrees per day across the sky
-b) degrees per hour compared to the fixed stars
+c) degrees per hour across the sky
-d) degrees per day compared to the fixed stars

10) While the Babylonians invented what we call the Saros cycle, they did not call it by that name.

+a) true
-b) false

11) Sothic calendar was an Egyptian calendar with twelve months of 30 days plus five intercalary days to keep the year synchronous with the Lunar phases.}

-a) true
+b) false

12) Evidence suggests that it was not possible to set the Antikythera device without referring to a written table to ascertain the dial settings for a given date.

-a) false
+b) true

13) What remains nearly the same after a single saros cycle has occured?

-a) phase of moon and position of sun relative to background stars (i.e. zodiacal location)
-b) phase of moon and position of moon relative to the background stars (i.e. zodiacal location)
+c) phase of moon and earth-moon distance

14) What is so special about 3 Saros cycles (triple Saros)?

-a) this eclipse terminates the Saros (and a new Saros number is assigned.)
-b) this eclipse will occur with the Moon in the same position on the zodiac.
-c) this eclipse will occur at the same day of the month (plus or minus one day)
+d) this eclipse will occur at the same time of day

15) In the course of a year, the Sun is always in or near one of the 12 zodiacal constellations

+a) true
-b) false

16) How many years did it take before Europe made a device as sophisticated as the Antikythera mechanism?

+a)1500 years
-b)3000 years
-c)15,000 years
-d)30 years
-e)300 years

17) This algorithm halts if it starts at 0:
* Add 3
* If the number is divisible by 10, add 10
* Stop if the number exceeds 100
* Go to top

+a) true
-b) false

18) Chemical analysis of the bronze used in the gears of the Antikythera device

+a) was not possible due to the degree of corrosion.
-b) suggested that Roman technology was used.
-c) suggested that a number of such devices had been produced.
-d) suggested that Greek technology was used.

19) The Turing machine could not have been invented until after the halting problem was solved.

+a) false
-b) true

20) Analog computers continued to be developed into the twentieth century

-a) false
+b) true

21) Four minutes times 365 is approximately one

-a) month
+b) day
-c) week
-d) year

22) What clue is cited to suggest that the Antikythera device was not the first of its kind?

-a) Chemical analysis of the bronze.
+b) The quality of its manufacture.
-c) Instructions for making other devices were found at the wreck site.
-d) Other boxes in the wreck seemed to have held similar devices.

23) Two great circles on a sphere meet at ______ point(s)

-a) 3
-b) 0
-c) 1
-d) 4
+e) 2

24) Analog computers were phased out by the dawn of the twentieth century (circa 1900)

+a) false
-b) true
25) If the machine is at A: 000000, what's next?
2-state 2-symbol busy beaver.svg
-a) B: 000010
-b) A: 000010
+c) B: 000100
-d) A: 000100

26) A mechanical analog computer uses pulleys, levers, wheels or some other motion to solve problems of a mathematical nature.

+a) true
-b) false

27) A system that uses levers, pulleys, or other mechanical device to perform calculations is called an analog computer

-a) false
+b) true

28) Suppose that you see a full moon, but no eclipse. You can be certain that a full moon will also occur exactly one Saros later.

+a) true
-b) false

29) The months of the Antikythera device are labeled with Egyptian names transcribed into Greek

+a) true
-b) false

30) Your best friend's pet lizard is thirsty every 2 days, hungry every 3 days, and frisky every 5 days. If she is thirsty, hungry, and frisky today, whe will be thirsty, hungry, and frisky _____ days later

+a) 30
-b) 40
-c) 10
-d) 15

htw:FE:V1[edit]

htw20160930T113441

1) Nuclear power plants typically have

a) low capital costs and high fuel costs
b) low capital costs and low fuel costs
c) high capital costs and high fuel costs
d) high capital costs and low fuel costs

2) What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

a) the wavelength gets shorter
b) the wavelength stays the same
c) the wavelength gets longer

3) If you toss a coin into the air, the velocity on the way up is

a) up
b) down
c) zero

4) Analysis of the uncertainties associated with feedback suggests that the "worst-case" scenario is easier to model.

a) false
b) true

5) Ray drawing eye schematic01.svg Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?

a) Ray drawing eye schematic alternate.svg
b) Ray drawing eye schematic02.svg
c) Ray drawing eye Wrong Answer.svg

6) On the eve of the Industrial Revolution, when the textile industry was largely a cottage industry, women did the ______ and men did the _______. If a loom was used, the work done by the women required ______ person hours.

a) spinning, weaving, fewer
b) weaving, spinning, more
c) spinning, weaving, more
d) weaving, spinning, fewer

7) What was "spooky" about Taylor's 1909 experiment with wave interference?

a) The light was dim, but it didn't matter because he was blind.
b) The interference pattern mysteriously disappeared.
c) The light was so dim that the photoelectric effect couldn't occur
d) The light was so dim that only one photon at a time was near the slits.

8) Chadwicks discovery of the neutron was significant because

a) neutrons permit induced radiation
b) neutrons are slow
c) neutrons are stable
9) If the machine is at B: 000100, what's next?
2-state 2-symbol busy beaver.svg
a) B: 000110
b) B: 000110
c) A: 000110
d) A: 001100

10) Since 1971, 90% of earth's increased energy caused by global warming has been stored in the _____________, mostly _____________

a) sea; in the bottom kilometer
b) air; in the water vapor
c) land; near the equators
d) land; near the poles
e) sea; in the top kilometer

11) A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

a) zero
b) east
c) north
d) south
e) west

12) In terms of lives lost per unit of energy generated, evidence suggests that nuclear power has caused ______ fatalities per unit of energy generated than the other major sources of energy.

a) more
b) comparable
c) less

13) Compared with the first half of the twentieth century, the rate of earth's average temperature rise during the second (latter) half was

a) twice as much
b) about the same
c) half as much

14) What are examples of energy?

a) momentum
b) all of the above
c) heat
d)

15) When light passes from glass to air

a) the frequency decreases
b) it bends towards the normal
c) it bends away from the normal
d) it does not bend
e) the frequency increases

16) The lede's graph of the "Global Land Ocean Temperature Index (1880-2013)" shows that since 1920, there has never been a decade of overall cooling

a) false
b) true

17) The Megatons to Megawatts Program

a) converts weapons grade uranium into fuel for commercial reactors, and is considered a success
b) converts weapons grade uranium into fuel for commercial reactors, and is considered a failure
c) purchases spent fuel that could otherwise be used to make weapons, and is considered a failure
d) purchases spent fuel that could otherwise be used to make weapons, and is considered a success

18) If the electron behaved as a classical (non-quantum) particle and NOT somehow connected to a spring inside the metal, then one would expect that photoelectrons would be emitted _______

a) above a threshold wavelength
b) above a threshold intensity
c) above a threshold frequency
d) at a specific frequency

19) The Calico Acts were initially designed to protect

a) small manufacturers
b) large manufacturers
c) domestic cotton production
d) the woollen industry

20) Stefan-Boltzmann radiation is called a negative feedback mechanism because if the sun's radiation increases, the Stefan-Boltzmann law ensures that more heat is lost from the planet to compensate.

a) true
b) false

21) The months of the Antikythera device are labeled with Greek names transcribed into Egyptian hieroglyphs.

a) false
b) true

22) The Bombe was a(n) ______________ device used (circa 1940) to defeat the Enigma machine in World War II.}

a) electromechanical
b) mechanical
c) electric digital programmable
d) Turing-complete

23) What is so special about 3 Saros cycles (triple Saros)?

a) this eclipse will occur at the same day of the month (plus or minus one day)
b) this eclipse terminates the Saros (and a new Saros number is assigned.)
c) this eclipse will occur at the same time of day
d) this eclipse will occur with the Moon in the same position on the zodiac.

24) The Turing machine permitted a solution to the halting problem

a) false
b) true

25) Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

a) 10.0 meters
b) 11.0 meters
c) 12.0 meters
d) 8.0 meters
e) 9.0 meters

26) How did the Antikythera mechanism compensate for leap years?

a) Two concentric dials were independently adjusted by a differential gear; one dial marked a 365 day calendar, and the other marked the position of the Sun with respect to the ecliptic.
b) Two concentric dials were independently adjusted by hand; one dial marked a 365 day calendar, and the other marked the position of the Sun with respect to the ecliptic.
c) There was no need to compensate for the leap year because the Sothic calendar included a leap year every four years.

27) Mr. Smith is driving at a speed of 4 m/s, when he slows down to a speed of 1 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

a) 8.0 meters
b) 9.0 meters
c) 10.0 meters
d) 7.0 meters
e) 11.0 meters

28) Greenhouse warming acts to cool the stratosphere

a) true
b) false

29) Greenhouse warming acts to warm the stratosphere

a) false
b) true

30) No direct method exists that permits an independent measurement of the heat content of the oceans, other than the fact that the air is warming

a) false
b) true

31) The Saros cycle is 18 years plus either 10.321 or 11.321 days. The reason for the variable number of days has to do with

a) precession of the equinoxes
b) a wobble in the Moon's orbit
c) leap years
d) precession of the Moon's orbit

32) High-level radioactive waste management is a daunting problem because

a) the isotopes are long-lived
b) they cannot be stored underground
c) the isotopes are short-lived
33) If the machine is at A: 001110, what's next?
2-state 2-symbol busy beaver.svg
a) H: 011110
b) A: 011110
c) B: 011110
d) H: 011110

34) "External forcings" refer to effects that can either increase or decrease, the Earth's temperature.

a) false
b) true

35) As the Moon circles Earth, the acceleration of the Moon is

a) towards Earth
b) away from Earth
c) zero
d) opposite the direction of the Moon's velocity
e) in the same direction as the Moon's velocity

36) The chronological order by which electronic computers advanced is:

a) tubes, transistors, and then integrated circuits
b) tubes, integrated circuits and then transistors
c) integrated circuits, tubes, and then transistors
d) transistors, integrated circuits, and then tubes

37) , calculates that the Sun moves 15

a) degrees per day across the sky
b) degrees per hour across the sky
c) degrees per day compared to the fixed stars
d) degrees per hour compared to the fixed stars

38) The first nuclear power plant to contribute to the grid was situated in

a) Russia
b) Virginia
c) Great Britain
d) Oak Ridge

39) The climate change community is divided between those who believe the goal should be to eliminate the earth's greenhouse effect altogether, and those who argue that we should attempt to minimize earth's greenhouse effect.

a) true
b) false

40) People don't usually perceive an echo when

a) it takes more than a tenth of a second after the original sound to arrive
b) it arrives at a higher pitch
c) it arrives at exactly the same pitch
d) it arrives at a lower pitch
e) it arrives less than a tenth of a second after the original sound

41) The Antikythera wreck was situated closer to Rome than to Greece.

a) false
b) true

42) A major change in the metal industries during the era of the Industrial Revolution was the replacement of wood and other bio-fuels with coal. Compared to wood, coal required

a) less labour to mine, but was less abundant (until the Rineland coal fields were discovered).
b) about the same labour to mine, but was more abundant than wood.
c) less labour to mine and was also more abundant.

KEY:htw:FE:V1[edit]

htw20160930T113441

1) Nuclear power plants typically have

-a) low capital costs and high fuel costs
-b) low capital costs and low fuel costs
-c) high capital costs and high fuel costs
+d) high capital costs and low fuel costs

2) What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

-a) the wavelength gets shorter
-b) the wavelength stays the same
+c) the wavelength gets longer

3) If you toss a coin into the air, the velocity on the way up is

+a) up
-b) down
-c) zero

4) Analysis of the uncertainties associated with feedback suggests that the "worst-case" scenario is easier to model.

+a) false
-b) true

5) Ray drawing eye schematic01.svg Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?

-a) Ray drawing eye schematic alternate.svg
+b) Ray drawing eye schematic02.svg
-c) Ray drawing eye Wrong Answer.svg

6) On the eve of the Industrial Revolution, when the textile industry was largely a cottage industry, women did the ______ and men did the _______. If a loom was used, the work done by the women required ______ person hours.

-a) spinning, weaving, fewer
-b) weaving, spinning, more
+c) spinning, weaving, more
-d) weaving, spinning, fewer

7) What was "spooky" about Taylor's 1909 experiment with wave interference?

-a) The light was dim, but it didn't matter because he was blind.
-b) The interference pattern mysteriously disappeared.
-c) The light was so dim that the photoelectric effect couldn't occur
+d) The light was so dim that only one photon at a time was near the slits.

8) Chadwicks discovery of the neutron was significant because

+a) neutrons permit induced radiation
-b) neutrons are slow
-c) neutrons are stable
9) If the machine is at B: 000100, what's next?
2-state 2-symbol busy beaver.svg
-a) B: 000110
-b) B: 000110
+c) A: 000110
-d) A: 001100

10) Since 1971, 90% of earth's increased energy caused by global warming has been stored in the _____________, mostly _____________

-a) sea; in the bottom kilometer
-b) air; in the water vapor
-c) land; near the equators
-d) land; near the poles
+e) sea; in the top kilometer

11) A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

-a) zero
-b) east
-c) north
-d) south
+e) west

12) In terms of lives lost per unit of energy generated, evidence suggests that nuclear power has caused ______ fatalities per unit of energy generated than the other major sources of energy.

-a) more
+b) comparable
-c) less

13) Compared with the first half of the twentieth century, the rate of earth's average temperature rise during the second (latter) half was

+a) twice as much
-b) about the same
-c) half as much

14) What are examples of energy?

-a) momentum
+b) all of the above
-c) heat
-d)

15) When light passes from glass to air

-a) the frequency decreases
-b) it bends towards the normal
+c) it bends away from the normal
-d) it does not bend
-e) the frequency increases

16) The lede's graph of the "Global Land Ocean Temperature Index (1880-2013)" shows that since 1920, there has never been a decade of overall cooling

+a) false
-b) true

17) The Megatons to Megawatts Program

+a) converts weapons grade uranium into fuel for commercial reactors, and is considered a success
-b) converts weapons grade uranium into fuel for commercial reactors, and is considered a failure
-c) purchases spent fuel that could otherwise be used to make weapons, and is considered a failure
-d) purchases spent fuel that could otherwise be used to make weapons, and is considered a success

18) If the electron behaved as a classical (non-quantum) particle and NOT somehow connected to a spring inside the metal, then one would expect that photoelectrons would be emitted _______

-a) above a threshold wavelength
+b) above a threshold intensity
-c) above a threshold frequency
-d) at a specific frequency

19) The Calico Acts were initially designed to protect

-a) small manufacturers
-b) large manufacturers
-c) domestic cotton production
+d) the woollen industry

20) Stefan-Boltzmann radiation is called a negative feedback mechanism because if the sun's radiation increases, the Stefan-Boltzmann law ensures that more heat is lost from the planet to compensate.

+a) true
-b) false

21) The months of the Antikythera device are labeled with Greek names transcribed into Egyptian hieroglyphs.

+a) false
-b) true

22) The Bombe was a(n) ______________ device used (circa 1940) to defeat the Enigma machine in World War II.}

+a) electromechanical
-b) mechanical
-c) electric digital programmable
-d) Turing-complete

23) What is so special about 3 Saros cycles (triple Saros)?

-a) this eclipse will occur at the same day of the month (plus or minus one day)
-b) this eclipse terminates the Saros (and a new Saros number is assigned.)
+c) this eclipse will occur at the same time of day
-d) this eclipse will occur with the Moon in the same position on the zodiac.

24) The Turing machine permitted a solution to the halting problem

-a) false
+b) true

25) Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

-a) 10.0 meters
-b) 11.0 meters
+c) 12.0 meters
-d) 8.0 meters
-e) 9.0 meters

26) How did the Antikythera mechanism compensate for leap years?

-a) Two concentric dials were independently adjusted by a differential gear; one dial marked a 365 day calendar, and the other marked the position of the Sun with respect to the ecliptic.
+b) Two concentric dials were independently adjusted by hand; one dial marked a 365 day calendar, and the other marked the position of the Sun with respect to the ecliptic.
-c) There was no need to compensate for the leap year because the Sothic calendar included a leap year every four years.

27) Mr. Smith is driving at a speed of 4 m/s, when he slows down to a speed of 1 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

-a) 8.0 meters
-b) 9.0 meters
+c) 10.0 meters
-d) 7.0 meters
-e) 11.0 meters

28) Greenhouse warming acts to cool the stratosphere

+a) true
-b) false

29) Greenhouse warming acts to warm the stratosphere

+a) false
-b) true

30) No direct method exists that permits an independent measurement of the heat content of the oceans, other than the fact that the air is warming

+a) false
-b) true

31) The Saros cycle is 18 years plus either 10.321 or 11.321 days. The reason for the variable number of days has to do with

-a) precession of the equinoxes
-b) a wobble in the Moon's orbit
+c) leap years
-d) precession of the Moon's orbit

32) High-level radioactive waste management is a daunting problem because

+a) the isotopes are long-lived
-b) they cannot be stored underground
-c) the isotopes are short-lived
33) If the machine is at A: 001110, what's next?
2-state 2-symbol busy beaver.svg
-a) H: 011110
-b) A: 011110
+c) B: 011110
-d) H: 011110

34) "External forcings" refer to effects that can either increase or decrease, the Earth's temperature.

+a) false
-b) true

35) As the Moon circles Earth, the acceleration of the Moon is

+a) towards Earth
-b) away from Earth
-c) zero
-d) opposite the direction of the Moon's velocity
-e) in the same direction as the Moon's velocity

36) The chronological order by which electronic computers advanced is:

+a) tubes, transistors, and then integrated circuits
-b) tubes, integrated circuits and then transistors
-c) integrated circuits, tubes, and then transistors
-d) transistors, integrated circuits, and then tubes

37) , calculates that the Sun moves 15

-a) degrees per day across the sky
+b) degrees per hour across the sky
-c) degrees per day compared to the fixed stars
-d) degrees per hour compared to the fixed stars

38) The first nuclear power plant to contribute to the grid was situated in

+a) Russia
-b) Virginia
-c) Great Britain
-d) Oak Ridge

39) The climate change community is divided between those who believe the goal should be to eliminate the earth's greenhouse effect altogether, and those who argue that we should attempt to minimize earth's greenhouse effect.

-a) true
+b) false

40) People don't usually perceive an echo when

-a) it takes more than a tenth of a second after the original sound to arrive
-b) it arrives at a higher pitch
-c) it arrives at exactly the same pitch
-d) it arrives at a lower pitch
+e) it arrives less than a tenth of a second after the original sound

41) The Antikythera wreck was situated closer to Rome than to Greece.

+a) false
-b) true

42) A major change in the metal industries during the era of the Industrial Revolution was the replacement of wood and other bio-fuels with coal. Compared to wood, coal required

-a) less labour to mine, but was less abundant (until the Rineland coal fields were discovered).
-b) about the same labour to mine, but was more abundant than wood.
+c) less labour to mine and was also more abundant.

htw:FE:V2[edit]

htw20160930T113441

1) Stefan-Boltzmann radiation is called a negative feedback mechanism because if the sun's radiation increases, the Stefan-Boltzmann law ensures that more heat is lost from the planet to compensate.

a) false
b) true

2) The months of the Antikythera device are labeled with Greek names transcribed into Egyptian hieroglyphs.

a) false
b) true

3) Nuclear power plants typically have

a) low capital costs and high fuel costs
b) low capital costs and low fuel costs
c) high capital costs and low fuel costs
d) high capital costs and high fuel costs

4) If you toss a coin into the air, the velocity on the way up is

a) down
b) up
c) zero

5) If the electron behaved as a classical (non-quantum) particle and NOT somehow connected to a spring inside the metal, then one would expect that photoelectrons would be emitted _______

a) above a threshold wavelength
b) above a threshold intensity
c) at a specific frequency
d) above a threshold frequency

6) The Calico Acts were initially designed to protect

a) the woollen industry
b) domestic cotton production
c) large manufacturers
d) small manufacturers

7) Analysis of the uncertainties associated with feedback suggests that the "worst-case" scenario is easier to model.

a) false
b) true

8) Chadwicks discovery of the neutron was significant because

a) neutrons permit induced radiation
b) neutrons are stable
c) neutrons are slow

9) What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

a) the wavelength gets shorter
b) the wavelength gets longer
c) the wavelength stays the same

10) The Antikythera wreck was situated closer to Rome than to Greece.

a) true
b) false

11) The lede's graph of the "Global Land Ocean Temperature Index (1880-2013)" shows that since 1920, there has never been a decade of overall cooling

a) false
b) true

12) The Saros cycle is 18 years plus either 10.321 or 11.321 days. The reason for the variable number of days has to do with

a) precession of the Moon's orbit
b) a wobble in the Moon's orbit
c) leap years
d) precession of the equinoxes

13) Compared with the first half of the twentieth century, the rate of earth's average temperature rise during the second (latter) half was

a) about the same
b) twice as much
c) half as much

14) The chronological order by which electronic computers advanced is:

a) integrated circuits, tubes, and then transistors
b) tubes, integrated circuits and then transistors
c) tubes, transistors, and then integrated circuits
d) transistors, integrated circuits, and then tubes

15) What was "spooky" about Taylor's 1909 experiment with wave interference?

a) The light was so dim that the photoelectric effect couldn't occur
b) The light was so dim that only one photon at a time was near the slits.
c) The interference pattern mysteriously disappeared.
d) The light was dim, but it didn't matter because he was blind.
16) If the machine is at B: 000100, what's next?
2-state 2-symbol busy beaver.svg
a) B: 000110
b) A: 001100
c) A: 000110
d) B: 000110

17) A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

a) south
b) west
c) east
d) north
e) zero

18) What is so special about 3 Saros cycles (triple Saros)?

a) this eclipse terminates the Saros (and a new Saros number is assigned.)
b) this eclipse will occur with the Moon in the same position on the zodiac.
c) this eclipse will occur at the same day of the month (plus or minus one day)
d) this eclipse will occur at the same time of day

19) The Megatons to Megawatts Program

a) purchases spent fuel that could otherwise be used to make weapons, and is considered a success
b) converts weapons grade uranium into fuel for commercial reactors, and is considered a failure
c) converts weapons grade uranium into fuel for commercial reactors, and is considered a success
d) purchases spent fuel that could otherwise be used to make weapons, and is considered a failure

20) , calculates that the Sun moves 15

a) degrees per day compared to the fixed stars
b) degrees per hour across the sky
c) degrees per hour compared to the fixed stars
d) degrees per day across the sky

21) The climate change community is divided between those who believe the goal should be to eliminate the earth's greenhouse effect altogether, and those who argue that we should attempt to minimize earth's greenhouse effect.

a) false
b) true

22) The Bombe was a(n) ______________ device used (circa 1940) to defeat the Enigma machine in World War II.}

a) electromechanical
b) mechanical
c) Turing-complete
d) electric digital programmable

23) The Turing machine permitted a solution to the halting problem

a) false
b) true

24) On the eve of the Industrial Revolution, when the textile industry was largely a cottage industry, women did the ______ and men did the _______. If a loom was used, the work done by the women required ______ person hours.

a) weaving, spinning, more
b) weaving, spinning, fewer
c) spinning, weaving, fewer
d) spinning, weaving, more

25) What are examples of energy?

a) momentum
b) heat
c) all of the above
d)

26) Ray drawing eye schematic01.svg Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?

a) Ray drawing eye Wrong Answer.svg
b) Ray drawing eye schematic alternate.svg
c) Ray drawing eye schematic02.svg
27) If the machine is at A: 001110, what's next?
2-state 2-symbol busy beaver.svg
a) A: 011110
b) B: 011110
c) H: 011110
d) H: 011110

28) High-level radioactive waste management is a daunting problem because

a) the isotopes are short-lived
b) the isotopes are long-lived
c) they cannot be stored underground

29) No direct method exists that permits an independent measurement of the heat content of the oceans, other than the fact that the air is warming

a) true
b) false

30) As the Moon circles Earth, the acceleration of the Moon is

a) opposite the direction of the Moon's velocity
b) away from Earth
c) towards Earth
d) in the same direction as the Moon's velocity
e) zero

31) In terms of lives lost per unit of energy generated, evidence suggests that nuclear power has caused ______ fatalities per unit of energy generated than the other major sources of energy.

a) comparable
b) more
c) less

32) How did the Antikythera mechanism compensate for leap years?

a) Two concentric dials were independently adjusted by hand; one dial marked a 365 day calendar, and the other marked the position of the Sun with respect to the ecliptic.
b) There was no need to compensate for the leap year because the Sothic calendar included a leap year every four years.
c) Two concentric dials were independently adjusted by a differential gear; one dial marked a 365 day calendar, and the other marked the position of the Sun with respect to the ecliptic.

33) The first nuclear power plant to contribute to the grid was situated in

a) Russia
b) Great Britain
c) Oak Ridge
d) Virginia

34) "External forcings" refer to effects that can either increase or decrease, the Earth's temperature.

a) true
b) false

35) Greenhouse warming acts to cool the stratosphere

a) true
b) false

36) Since 1971, 90% of earth's increased energy caused by global warming has been stored in the _____________, mostly _____________

a) air; in the water vapor
b) land; near the equators
c) land; near the poles
d) sea; in the top kilometer
e) sea; in the bottom kilometer

37) Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

a) 11.0 meters
b) 8.0 meters
c) 12.0 meters
d) 9.0 meters
e) 10.0 meters

38) When light passes from glass to air

a) it bends towards the normal
b) the frequency decreases
c) the frequency increases
d) it bends away from the normal
e) it does not bend

39) A major change in the metal industries during the era of the Industrial Revolution was the replacement of wood and other bio-fuels with coal. Compared to wood, coal required

a) less labour to mine, but was less abundant (until the Rineland coal fields were discovered).
b) less labour to mine and was also more abundant.
c) about the same labour to mine, but was more abundant than wood.

40) Greenhouse warming acts to warm the stratosphere

a) false
b) true

41) People don't usually perceive an echo when

a) it arrives at a lower pitch
b) it arrives at a higher pitch
c) it takes more than a tenth of a second after the original sound to arrive
d) it arrives at exactly the same pitch
e) it arrives less than a tenth of a second after the original sound

42) Mr. Smith is driving at a speed of 4 m/s, when he slows down to a speed of 1 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

a) 10.0 meters
b) 8.0 meters
c) 9.0 meters
d) 7.0 meters
e) 11.0 meters

KEY:htw:FE:V2[edit]

htw20160930T113441

1) Stefan-Boltzmann radiation is called a negative feedback mechanism because if the sun's radiation increases, the Stefan-Boltzmann law ensures that more heat is lost from the planet to compensate.

-a) false
+b) true

2) The months of the Antikythera device are labeled with Greek names transcribed into Egyptian hieroglyphs.

+a) false
-b) true

3) Nuclear power plants typically have

-a) low capital costs and high fuel costs
-b) low capital costs and low fuel costs
+c) high capital costs and low fuel costs
-d) high capital costs and high fuel costs

4) If you toss a coin into the air, the velocity on the way up is

-a) down
+b) up
-c) zero

5) If the electron behaved as a classical (non-quantum) particle and NOT somehow connected to a spring inside the metal, then one would expect that photoelectrons would be emitted _______

-a) above a threshold wavelength
+b) above a threshold intensity
-c) at a specific frequency
-d) above a threshold frequency

6) The Calico Acts were initially designed to protect

+a) the woollen industry
-b) domestic cotton production
-c) large manufacturers
-d) small manufacturers

7) Analysis of the uncertainties associated with feedback suggests that the "worst-case" scenario is easier to model.

+a) false
-b) true

8) Chadwicks discovery of the neutron was significant because

+a) neutrons permit induced radiation
-b) neutrons are stable
-c) neutrons are slow

9) What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

-a) the wavelength gets shorter
+b) the wavelength gets longer
-c) the wavelength stays the same

10) The Antikythera wreck was situated closer to Rome than to Greece.

-a) true
+b) false

11) The lede's graph of the "Global Land Ocean Temperature Index (1880-2013)" shows that since 1920, there has never been a decade of overall cooling

+a) false
-b) true

12) The Saros cycle is 18 years plus either 10.321 or 11.321 days. The reason for the variable number of days has to do with

-a) precession of the Moon's orbit
-b) a wobble in the Moon's orbit
+c) leap years
-d) precession of the equinoxes

13) Compared with the first half of the twentieth century, the rate of earth's average temperature rise during the second (latter) half was

-a) about the same
+b) twice as much
-c) half as much

14) The chronological order by which electronic computers advanced is:

-a) integrated circuits, tubes, and then transistors
-b) tubes, integrated circuits and then transistors
+c) tubes, transistors, and then integrated circuits
-d) transistors, integrated circuits, and then tubes

15) What was "spooky" about Taylor's 1909 experiment with wave interference?

-a) The light was so dim that the photoelectric effect couldn't occur
+b) The light was so dim that only one photon at a time was near the slits.
-c) The interference pattern mysteriously disappeared.
-d) The light was dim, but it didn't matter because he was blind.
16) If the machine is at B: 000100, what's next?
2-state 2-symbol busy beaver.svg
-a) B: 000110
-b) A: 001100
+c) A: 000110
-d) B: 000110

17) A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

-a) south
+b) west
-c) east
-d) north
-e) zero

18) What is so special about 3 Saros cycles (triple Saros)?

-a) this eclipse terminates the Saros (and a new Saros number is assigned.)
-b) this eclipse will occur with the Moon in the same position on the zodiac.
-c) this eclipse will occur at the same day of the month (plus or minus one day)
+d) this eclipse will occur at the same time of day

19) The Megatons to Megawatts Program

-a) purchases spent fuel that could otherwise be used to make weapons, and is considered a success
-b) converts weapons grade uranium into fuel for commercial reactors, and is considered a failure
+c) converts weapons grade uranium into fuel for commercial reactors, and is considered a success
-d) purchases spent fuel that could otherwise be used to make weapons, and is considered a failure

20) , calculates that the Sun moves 15

-a) degrees per day compared to the fixed stars
+b) degrees per hour across the sky
-c) degrees per hour compared to the fixed stars
-d) degrees per day across the sky

21) The climate change community is divided between those who believe the goal should be to eliminate the earth's greenhouse effect altogether, and those who argue that we should attempt to minimize earth's greenhouse effect.

+a) false
-b) true

22) The Bombe was a(n) ______________ device used (circa 1940) to defeat the Enigma machine in World War II.}

+a) electromechanical
-b) mechanical
-c) Turing-complete
-d) electric digital programmable

23) The Turing machine permitted a solution to the halting problem

-a) false
+b) true

24) On the eve of the Industrial Revolution, when the textile industry was largely a cottage industry, women did the ______ and men did the _______. If a loom was used, the work done by the women required ______ person hours.

-a) weaving, spinning, more
-b) weaving, spinning, fewer
-c) spinning, weaving, fewer
+d) spinning, weaving, more

25) What are examples of energy?

-a) momentum
-b) heat
+c) all of the above
-d)

26) Ray drawing eye schematic01.svg Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?

-a) Ray drawing eye Wrong Answer.svg
-b) Ray drawing eye schematic alternate.svg
+c) Ray drawing eye schematic02.svg
27) If the machine is at A: 001110, what's next?
2-state 2-symbol busy beaver.svg
-a) A: 011110
+b) B: 011110
-c) H: 011110
-d) H: 011110

28) High-level radioactive waste management is a daunting problem because

-a) the isotopes are short-lived
+b) the isotopes are long-lived
-c) they cannot be stored underground

29) No direct method exists that permits an independent measurement of the heat content of the oceans, other than the fact that the air is warming

-a) true
+b) false

30) As the Moon circles Earth, the acceleration of the Moon is

-a) opposite the direction of the Moon's velocity
-b) away from Earth
+c) towards Earth
-d) in the same direction as the Moon's velocity
-e) zero

31) In terms of lives lost per unit of energy generated, evidence suggests that nuclear power has caused ______ fatalities per unit of energy generated than the other major sources of energy.

+a) comparable
-b) more
-c) less

32) How did the Antikythera mechanism compensate for leap years?

+a) Two concentric dials were independently adjusted by hand; one dial marked a 365 day calendar, and the other marked the position of the Sun with respect to the ecliptic.
-b) There was no need to compensate for the leap year because the Sothic calendar included a leap year every four years.
-c) Two concentric dials were independently adjusted by a differential gear; one dial marked a 365 day calendar, and the other marked the position of the Sun with respect to the ecliptic.

33) The first nuclear power plant to contribute to the grid was situated in

+a) Russia
-b) Great Britain
-c) Oak Ridge
-d) Virginia

34) "External forcings" refer to effects that can either increase or decrease, the Earth's temperature.

-a) true
+b) false

35) Greenhouse warming acts to cool the stratosphere

+a) true
-b) false

36) Since 1971, 90% of earth's increased energy caused by global warming has been stored in the _____________, mostly _____________

-a) air; in the water vapor
-b) land; near the equators
-c) land; near the poles
+d) sea; in the top kilometer
-e) sea; in the bottom kilometer

37) Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

-a) 11.0 meters
-b) 8.0 meters
+c) 12.0 meters
-d) 9.0 meters
-e) 10.0 meters

38) When light passes from glass to air

-a) it bends towards the normal
-b) the frequency decreases
-c) the frequency increases
+d) it bends away from the normal
-e) it does not bend

39) A major change in the metal industries during the era of the Industrial Revolution was the replacement of wood and other bio-fuels with coal. Compared to wood, coal required

-a) less labour to mine, but was less abundant (until the Rineland coal fields were discovered).
+b) less labour to mine and was also more abundant.
-c) about the same labour to mine, but was more abundant than wood.

40) Greenhouse warming acts to warm the stratosphere

+a) false
-b) true

41) People don't usually perceive an echo when

-a) it arrives at a lower pitch
-b) it arrives at a higher pitch
-c) it takes more than a tenth of a second after the original sound to arrive
-d) it arrives at exactly the same pitch
+e) it arrives less than a tenth of a second after the original sound

42) Mr. Smith is driving at a speed of 4 m/s, when he slows down to a speed of 1 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

+a) 10.0 meters
-b) 8.0 meters
-c) 9.0 meters
-d) 7.0 meters
-e) 11.0 meters