Question 1

A block of wood and a block of copper will feel neither hot nor cold to the touch when they each have

Accepted Answer

A) equal temperatures. 
B) your temperature. 
C) equal conductivities. 
D) none of the above 
A) equal temperatures. 
B) your temperature. 
C) equal conductivities. 
D) none of the above

Question 2

The heat we enjoy on a sunny day is due mainly to the Sun's

Accepted Answer

A) high surface temperature. 
B) relatively close distance. 
C) enormous size. 
D) none of the above 
A) high surface temperature. 
B) relatively close distance. 
C) enormous size. 
D) none of the above

Question 3

Newton's law of cooling applies to objects undergoing

Accepted Answer

A) cooling. 
B) warming. 
C) both of these 
D) neither of these 
A) cooling. 
B) warming. 
C) both of these 
D) neither of these

Question 4

If you release a single molecule in an evacuated region it will initially

Accepted Answer

A) fall just as a baseball would. 
B) move in any direction. 
C) convect upward. 
D) be buoyed upward. 
E) none of the above 
A) fall just as a baseball would. 
B) move in any direction. 
C) convect upward. 
D) be buoyed upward. 
E) none of the above

Question 5

The pupil of your eye is a net

Accepted Answer

A) absorber of radiant energy. 
B) emitter of radiant energy. 
C) reflector of radiant energy. 
D) none of the above 
A) absorber of radiant energy. 
B) emitter of radiant energy. 
C) reflector of radiant energy. 
D) none of the above

Question 6

In terms of transferring heat, red-hot wooden coals

Accepted Answer

A) conduct quite well. 
B) conduct poorly. 
C) radiate poorly. 
D) convect poorly. 
A) conduct quite well. 
B) conduct poorly. 
C) radiate poorly. 
D) convect poorly.

Question 7

If a pizza absorbs more energy than it emits, its temperature

Accepted Answer

A) decreases. 
B) is unaffected. 
C) increases. 
D) none of the above 
A) decreases. 
B) is unaffected. 
C) increases. 
D) none of the above

Question 8

The amount of solar energy per square meter atop the atmosphere at right angles to the Sun's rays is about

Accepted Answer

A) 700 joules. 
B) 1000 joules. 
C) 1400 joules. 
D) much more than 1400 joules. 
A) 700 joules. 
B) 1000 joules. 
C) 1400 joules. 
D) much more than 1400 joules.

Question 9

Molecules in a region of expanding air more often collide with neighboring molecules that are

Accepted Answer

A) approaching. 
B) receding. 
C) nearly out of range. 
A) approaching. 
B) receding. 
C) nearly out of range.

Question 10

Both black and white road surfaces absorb sunlight. The warmer road surface at the end of a sunny day is the

Accepted Answer

A) black surface. 
B) white surface. 
C) neither of these 
A) black surface. 
B) white surface. 
C) neither of these

Question 11

Long ago a runaway greenhouse effect transformed the planet

Accepted Answer

A) Mercury. 
B) Venus. 
C) Mars. 
D) all of the above 
A) Mercury. 
B) Venus. 
C) Mars. 
D) all of the above

Question 12

You can safely hold your fingers on both sides of a candle flame due mainly to

Accepted Answer

A) conduction. 
B) convection. 
C) radiation. 
D) none of the above 
A) conduction. 
B) convection. 
C) radiation. 
D) none of the above

Question 13

If there were no greenhouse effect, Earth's average temperature would likely be

Accepted Answer

A) near absolute zero. 
B) a frigid -18°C. 
C) comfortably cooler. 
D) warmer than now. 
A) near absolute zero. 
B) a frigid -18°C. 
C) comfortably cooler. 
D) warmer than now.

Question 14

Which of these are good conductors?

Accepted Answer

A) feathers. 
B) wood. 
C) snow. 
D) all the above 
E) none of the above 
A) feathers. 
B) wood. 
C) snow. 
D) all the above 
E) none of the above

Question 15

To save energy while you leave your warm house for a half hour on a cold day, turn the thermostat

Accepted Answer

A) down. 
B) up. 
C) to room temperature. 
A) down. 
B) up. 
C) to room temperature.

Question 16

When a volume of air is compressed, air temperature

Accepted Answer

A) increases. 
B) decreases. 
C) neither of these 
A) increases. 
B) decreases. 
C) neither of these

Question 17

Which is the most abundant greenhouse gas in Earth's atmosphere?

Accepted Answer

A) nitrogen. 
B) water vapor. 
C) carbon dioxide. 
D) none of the above 
A) nitrogen. 
B) water vapor. 
C) carbon dioxide. 
D) none of the above

Question 18

A region of expanding air tends to

Accepted Answer

A) cool. 
B) warm. 
C) both of the these 
D) neither of these 
A) cool. 
B) warm. 
C) both of the these 
D) neither of these

Question 19

Looking forward, common consensus will likely agree that the wisest use of fossil fuels is to

Accepted Answer

A) convert them to heat and smoke. 
B) save them for tomorrow's materials. 
C) extract and sell them as quickly as possible. 
D) all of the above 
A) convert them to heat and smoke. 
B) save them for tomorrow's materials. 
C) extract and sell them as quickly as possible. 
D) all of the above

Question 20

Heat normally flows from objects of high

Accepted Answer

A) internal energy to objects of low internal energy. 
B) temperature to objects of low temperature. 
C) both of these 
D) neither of these 
A) internal energy to objects of low internal energy. 
B) temperature to objects of low temperature. 
C) both of these 
D) neither of these

Exam 16: Heat Transfer

A block of wood and a block of copper will feel neither hot nor cold to the touch when they each have

The heat we enjoy on a sunny day is due mainly to the Sun's

Newton's law of cooling applies to objects undergoing

If you release a single molecule in an evacuated region it will initially

The pupil of your eye is a net

In terms of transferring heat, red-hot wooden coals

If a pizza absorbs more energy than it emits, its temperature

The amount of solar energy per square meter atop the atmosphere at right angles to the Sun's rays is about

Molecules in a region of expanding air more often collide with neighboring molecules that are

Both black and white road surfaces absorb sunlight. The warmer road surface at the end of a sunny day is the

Long ago a runaway greenhouse effect transformed the planet

You can safely hold your fingers on both sides of a candle flame due mainly to

If there were no greenhouse effect, Earth's average temperature would likely be

Which of these are good conductors?

To save energy while you leave your warm house for a half hour on a cold day, turn the thermostat

When a volume of air is compressed, air temperature

Which is the most abundant greenhouse gas in Earth's atmosphere?

A region of expanding air tends to

Looking forward, common consensus will likely agree that the wisest use of fossil fuels is to

Heat normally flows from objects of high

About Science

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