Question 1

What normally occurs in a saucer of water placed on your table is

Accepted Answer

A) evaporation. 
B) condensation. 
C) both of these 
D) none of the above 
A) evaporation. 
B) condensation. 
C) both of these 
D) none of the above

Question 2

The addition of salt to water affects its

Accepted Answer

A) crystal composition. 
B) freezing point. 
C) viscosity. 
D) liquidity. 
E) none of the above 
A) crystal composition. 
B) freezing point. 
C) viscosity. 
D) liquidity. 
E) none of the above

Question 3

Boiling is the process of evaporation

Accepted Answer

A) beneath the water surface. 
B) at its extreme. 
C) that cools instead of warms. 
A) beneath the water surface. 
B) at its extreme. 
C) that cools instead of warms.

Question 4

When ice crystals form in clouds,the surrounding air

Accepted Answer

A) warms. 
B) cools. 
C) neither of these 
A) warms. 
B) cools. 
C) neither of these

Question 5

A heat pump can

Accepted Answer

A) cool an environment. 
B) warm an environment. 
C) both of these 
D) none of the above 
A) cool an environment. 
B) warm an environment. 
C) both of these 
D) none of the above

Question 6

In a gaseous mixture of hydrogen and oxygen,the faster molecules on average are

Accepted Answer

A) hydrogen. 
B) oxygen. 
C) both the same 
D) not enough information 
A) hydrogen. 
B) oxygen. 
C) both the same 
D) not enough information

Question 7

The pupil of your eye is a net

Accepted Answer

A) absorber of radiant energy. 
B) emitter of radiant energy. 
C) neither of these 
A) absorber of radiant energy. 
B) emitter of radiant energy. 
C) neither of these

Question 8

Which moves faster in a gas at the same temperature?

Accepted Answer

A) light molecules 
B) heavy molecules 
C) Both have equal average speeds. 
A) light molecules 
B) heavy molecules 
C) Both have equal average speeds.

Question 9

Increased air pressure on the surface of hot water tends to

Accepted Answer

A) prevent boiling. 
B) promote boiling. 
C) neither of these 
A) prevent boiling. 
B) promote boiling. 
C) neither of these

Question 10

A block of wood and a block of copper will feel neither hot nor cold to your 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 11

A poor conductor of heat is a

Accepted Answer

A) poor insulator. 
B) good insulator. 
C) neither 
A) poor insulator. 
B) good insulator. 
C) neither

Question 12

The higher the temperature of an object,the

Accepted Answer

A) higher the frequency of emitted radiation. 
B) lower the frequency of emitted radiation. 
C) longer the wavelength of emitted radiation. 
D) none of the above 
A) higher the frequency of emitted radiation. 
B) lower the frequency of emitted radiation. 
C) longer the wavelength of emitted radiation. 
D) none of the above

Question 13

Radiant energy from the Sun is composed of shorter wavelengths than radiation from the Earth because the Sun

Accepted Answer

A) has much more thermal energy. 
B) has a higher temperature than the Earth. 
C) is an energy source while the Earth is primarily an energy receiver. 
D) none of the above 
A) has much more thermal energy. 
B) has a higher temperature than the Earth. 
C) is an energy source while the Earth is primarily an energy receiver. 
D) none of the above

Question 14

A water-filled paper cup held in a flame will not catch fire because

Accepted Answer

A) the inside of the paper is wet. 
B) water is an excellent conductor of heat. 
C) paper is a good conductor of heat. 
D) the paper cup cannot become appreciably hotter than the water it contains. 
A) the inside of the paper is wet. 
B) water is an excellent conductor of heat. 
C) paper is a good conductor of heat. 
D) the paper cup cannot become appreciably hotter than the water it contains.

Question 15

Heat radiation relates mainly to

Accepted Answer

A) infrared radiant energy. 
B) radiation not visible to humans. 
C) waves you absorb when near a hot stove. 
D) all of the above 
E) none of the above 
A) infrared radiant energy. 
B) radiation not visible to humans. 
C) waves you absorb when near a hot stove. 
D) all of the above 
E) none of the above

Question 16

A watermelon will cool faster when placed in what part of a refrigerator?

Accepted Answer

A) the freezer compartment 
B) the main part of the refrigerator 
C) either location should cool the can at the same rate 
A) the freezer compartment 
B) the main part of the refrigerator 
C) either location should cool the can at the same rate

Question 17

The interior of a greenhouse emits long-wavelength radiation due to its

Accepted Answer

A) green color. 
B) plant cell structure. 
C) transparency. 
D) relatively low temperature. 
A) green color. 
B) plant cell structure. 
C) transparency. 
D) relatively low temperature.

Question 18

Long ago a runaway greenhouse effect greatly transformed the planet

Accepted Answer

A) Mercury. 
B) Venus. 
C) Mars. 
D) none of the above 
A) Mercury. 
B) Venus. 
C) Mars. 
D) none of the above

Question 19

A mixture of light and heavy molecules make up a sample of gas.If the temperature of the gas is constant,then all the molecules have the same average

Accepted Answer

A) speed. 
B) kinetic energy. 
C) both of these 
D) none of the above 
A) speed. 
B) kinetic energy. 
C) both of these 
D) none of the above

Question 20

Hydrothermal vents deep beneath the ocean surface attain temperatures far above 100°C due to

Accepted Answer

A) higher salt content. 
B) reduced salt content. 
C) greater pressure. 
D) all of the above 
E) none of the above 
A) higher salt content. 
B) reduced salt content. 
C) greater pressure. 
D) all of the above 
E) none of the above

Exam 7: Heat Transfer and Change of Phase

What normally occurs in a saucer of water placed on your table is

The addition of salt to water affects its

Boiling is the process of evaporation

When ice crystals form in clouds,the surrounding air

A heat pump can

In a gaseous mixture of hydrogen and oxygen,the faster molecules on average are

The pupil of your eye is a net

Which moves faster in a gas at the same temperature?

Increased air pressure on the surface of hot water tends to

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

A poor conductor of heat is a

The higher the temperature of an object,the

Radiant energy from the Sun is composed of shorter wavelengths than radiation from the Earth because the Sun

A water-filled paper cup held in a flame will not catch fire because

Heat radiation relates mainly to

A watermelon will cool faster when placed in what part of a refrigerator?

The interior of a greenhouse emits long-wavelength radiation due to its

Long ago a runaway greenhouse effect greatly transformed the planet

A mixture of light and heavy molecules make up a sample of gas.If the temperature of the gas is constant,then all the molecules have the same average

Hydrothermal vents deep beneath the ocean surface attain temperatures far above 100°C due to

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

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