Question 1

The fact that desert sand becomes very hot in the day and very cold at night is evidence that sand has a

Accepted Answer

A) low specific heat capacity. 
B) high specific heat capacity. 
C) none of the above 
A) low specific heat capacity. 
B) high specific heat capacity. 
C) none of the above

Question 2

Which expands more when the temperature is lowered? Equal volumes of

Accepted Answer

A) iron. 
B) wood. 
C) helium. 
D) water at 4°C. 
E) none expand when the temperature is lowered 
A) iron. 
B) wood. 
C) helium. 
D) water at 4°C. 
E) none expand when the temperature is lowered

Question 3

The motion of particles that contribute to thermal energy are

Accepted Answer

A) translational. 
B) rotational. 
C) vibrational. 
D) all of the above 
A) translational. 
B) rotational. 
C) vibrational. 
D) all of the above

Question 4

If the same quantity of heat is added to both a 2-liter and a 4-liter container of water,the temperature change in the 4-liter container will be

Accepted Answer

A) less. 
B) the same. 
C) greater. 
A) less. 
B) the same. 
C) greater.

Question 5

Absolute zero corresponds to a temperature of

Accepted Answer

A) 0 K. 
B) -273° C. 
C) both of these 
D) none of the above 
A) 0 K. 
B) -273° C. 
C) both of these 
D) none of the above

Question 6

When the temperature of a fixed volume of air initially at 0° C is lowered by 1 degree,its pressure

Accepted Answer

A) decreases by 1/273. 
B) decreases by 100/273. 
C) increases by 1/273. 
D) increases by 100/273. 
A) decreases by 1/273. 
B) decreases by 100/273. 
C) increases by 1/273. 
D) increases by 100/273.

Question 7

When work is done by a system and heat is subtracted,the temperature of the system

Accepted Answer

A) increases. 
B) decreases. 
C) remains unchanged. 
A) increases. 
B) decreases. 
C) remains unchanged.

Question 8

Water at 4°C will expand when it is slightly

Accepted Answer

A) cooled. 
B) warmed. 
C) both of these 
D) none of the above 
A) cooled. 
B) warmed. 
C) both of these 
D) none of the above

Question 9

Microscopic slush in water tends to make the water

Accepted Answer

A) more dense. 
B) less dense. 
C) slipperier. 
D) warmer. 
A) more dense. 
B) less dense. 
C) slipperier. 
D) warmer.

Question 10

Because a refrigerator operates by a motor,leaving the refrigerator door open for hours in a closed room

Accepted Answer

A) increases room temperature. 
B) decreases room temperature. 
C) doesn't affect room temperature. 
A) increases room temperature. 
B) decreases room temperature. 
C) doesn't affect room temperature.

Question 11

At absolute zero,a substance has

Accepted Answer

A) absolutely no molecular motion. 
B) no more energy to give up. 
C) no volume. 
D) all of the above 
A) absolutely no molecular motion. 
B) no more energy to give up. 
C) no volume. 
D) all of the above

Question 12

A volume of helium gas has a temperature of 0°C.The same gas twice as hot has a temperature of

Accepted Answer

A) 0°C. 
B) 2°C. 
C) 100°C. 
D) 273°C. 
E) none of the above 
A) 0°C. 
B) 2°C. 
C) 100°C. 
D) 273°C. 
E) none of the above

Question 13

When a gas such as helium becomes twice as hot it has

Accepted Answer

A) twice the thermal energy. 
B) twice the absolute temperature. 
C) both of these 
D) none of the above 
A) twice the thermal energy. 
B) twice the absolute temperature. 
C) both of these 
D) none of the above

Question 14

Heat is thermal energy that flows due to

Accepted Answer

A) molecular speed. 
B) calorie imbalance. 
C) temperature differences. 
A) molecular speed. 
B) calorie imbalance. 
C) temperature differences.

Question 15

When most substances are heated,molecules inside move faster and occupy more space,which results in thermal

Accepted Answer

A) bending. 
B) expansion. 
C) contraction. 
D) heat. 
A) bending. 
B) expansion. 
C) contraction. 
D) heat.

Question 16

Leaving a hot oven door open in a closed room on a cool day

Accepted Answer

A) decreases room temperature. 
B) increases room temperature. 
C) doesn't affect room temperature. 
A) decreases room temperature. 
B) increases room temperature. 
C) doesn't affect room temperature.

Question 17

As entropy in a system increases,energy within the system

Accepted Answer

A) becomes more ordered. 
B) becomes less ordered. 
C) reaches equilibrium. 
D) moves toward destruction. 
A) becomes more ordered. 
B) becomes less ordered. 
C) reaches equilibrium. 
D) moves toward destruction.

Question 18

The direction of natural processes is from states of

Accepted Answer

A) higher order to lower order. 
B) lower order to higher order. 
C) disorganization to organization. 
D) imbalance to equilibrium. 
A) higher order to lower order. 
B) lower order to higher order. 
C) disorganization to organization. 
D) imbalance to equilibrium.

Question 19

To say that water has a high specific heat capacity is to say that water

Accepted Answer

A) requires a lot of energy for an increase in temperature. 
B) releases a lot of energy in cooling. 
C) absorbs a lot of energy for an increase in temperature. 
D) all of the above 
A) requires a lot of energy for an increase in temperature. 
B) releases a lot of energy in cooling. 
C) absorbs a lot of energy for an increase in temperature. 
D) all of the above

Question 20

Which of these is the smallest?

Accepted Answer

A) 1 Celsius degree 
B) 1 kelvin 
C) 1 Fahrenheit degree 
D) all are the same 
A) 1 Celsius degree 
B) 1 kelvin 
C) 1 Fahrenheit degree 
D) all are the same

Exam 6: Thermal Energy and Thermodynamics

The fact that desert sand becomes very hot in the day and very cold at night is evidence that sand has a

Which expands more when the temperature is lowered? Equal volumes of

The motion of particles that contribute to thermal energy are

If the same quantity of heat is added to both a 2-liter and a 4-liter container of water,the temperature change in the 4-liter container will be

Absolute zero corresponds to a temperature of

When the temperature of a fixed volume of air initially at 0° C is lowered by 1 degree,its pressure

When work is done by a system and heat is subtracted,the temperature of the system

Water at 4°C will expand when it is slightly

Microscopic slush in water tends to make the water

Because a refrigerator operates by a motor,leaving the refrigerator door open for hours in a closed room

At absolute zero,a substance has

A volume of helium gas has a temperature of 0°C.The same gas twice as hot has a temperature of

When a gas such as helium becomes twice as hot it has

Heat is thermal energy that flows due to

When most substances are heated,molecules inside move faster and occupy more space,which results in thermal

Leaving a hot oven door open in a closed room on a cool day

As entropy in a system increases,energy within the system

The direction of natural processes is from states of

To say that water has a high specific heat capacity is to say that water

Which of these is the smallest?

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Heat Transfer and Change of Phase

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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