Question 1

The temperature at the bottom of Lake Tahoe,high in the Sierra Mountains in California,at this moment is

Accepted Answer

A) below 4°C. 
B) 4°C. 
C) above 4°C. 
D) uncertain. 
A) below 4°C. 
B) 4°C. 
C) above 4°C. 
D) uncertain.

Question 2

When work is done by a system and no heat is added,the temperature of the system

Accepted Answer

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

Question 3

A volume of helium gas has a temperature of 10°C.The same gas twice as hot has a temperature of

Accepted Answer

A) 20°C. 
B) 12°C. 
C) 283°C. 
D) 293°C. 
E) none of the above 
A) 20°C. 
B) 12°C. 
C) 283°C. 
D) 293°C. 
E) none of the above

Question 4

The rise in ocean levels is due to

Accepted Answer

A) warmer water. 
B) melting of ice on land that flows into the ocean. 
C) both of these 
D) none of the above 
A) warmer water. 
B) melting of ice on land that flows into the ocean. 
C) both of these 
D) none of the above

Question 5

Heat is thermal energy that flows from

Accepted Answer

A) hot to cold. 
B) high energy to low energy. 
C) high thermal pressure to low thermal pressure. 
D) all of the above 
A) hot to cold. 
B) high energy to low energy. 
C) high thermal pressure to low thermal pressure. 
D) all of the above

Question 6

When work is done on a system while additional heat is subtracted,the temperature of the system

Accepted Answer

A) increases. 
B) decreases. 
C) remains unchanged. 
D) need more information 
A) increases. 
B) decreases. 
C) remains unchanged. 
D) need more information

Question 7

As a system becomes more disordered,entropy

Accepted Answer

A) increases. 
B) decreases. 
C) remains the same. 
A) increases. 
B) decreases. 
C) remains the same.

Question 8

On which temperature scale is 0 degrees the freezing point of water?

Accepted Answer

A) Celsius 
B) Caloric 
C) Kelvin 
D) Fahrenheit 
E) none of the above 
A) Celsius 
B) Caloric 
C) Kelvin 
D) Fahrenheit 
E) none of the above

Question 9

Increasing the temperature of 50 grams of water by 1°C requires

Accepted Answer

A) 1 calorie. 
B) 50 calories. 
C) more than 50 calories. 
D) none of the above 
A) 1 calorie. 
B) 50 calories. 
C) more than 50 calories. 
D) none of the above

Question 10

If water had a lower specific heat capacity,would ponds and lakes be more or less likely to freeze in winter?

Accepted Answer

Bodies of water would more likely freeze

Question 11

Which temperature scale has the smallest sized degrees?

Accepted Answer

A) Fahrenheit 
B) Celsius 
C) Kelvin 
D) none of the above 
A) Fahrenheit 
B) Celsius 
C) Kelvin 
D) none of the above

Question 12

Before ice can form on a lake,all the water in the lake must be cooled to

Accepted Answer

A) 0°C. 
B) 4°C. 
C) a value slightly below 0°C. 
A) 0°C. 
B) 4°C. 
C) a value slightly below 0°C.

Question 13

Heat energy is measured in units of

Accepted Answer

A) degrees. 
B) joules. 
C) calories. 
D) both joules and calories. 
A) degrees. 
B) joules. 
C) calories. 
D) both joules and calories.

Question 14

Whether one object is warmer than another object has most to do with molecular

Accepted Answer

A) kinetic energy. 
B) potential energy. 
C) masses. 
A) kinetic energy. 
B) potential energy. 
C) masses.

Question 15

If water at 20°C slightly increases in temperature,the water

Accepted Answer

A) expands. 
B) contracts. 
C) remains the same. 
A) expands. 
B) contracts. 
C) remains the same.

Question 16

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

Accepted Answer

A) iron. 
B) wood. 
C) ice water. 
D) helium. 
E) all expand the same 
A) iron. 
B) wood. 
C) ice water. 
D) helium. 
E) all expand the same

Question 17

Which contracts more when the temperature is decreased? Equal volumes of

Accepted Answer

A) iron. 
B) wood. 
C) water. 
D) helium. 
E) all contract the same 
A) iron. 
B) wood. 
C) water. 
D) helium. 
E) all contract the same

Question 18

Ice tends to form at the

Accepted Answer

A) surface of bodies of water. 
B) layer of water slightly below the surface. 
C) bottom of bodies of water. 
A) surface of bodies of water. 
B) layer of water slightly below the surface. 
C) bottom of bodies of water.

Question 19

The lowest possible temperature is

Accepted Answer

A) 0°C. 
B) -273°C. 
C) 4 K. 
A) 0°C. 
B) -273°C. 
C) 4 K.

Question 20

The temperature at the center of the Sun is about 107 degrees.Does it matter whether this is stated as Celsius degrees or kelvins?

Accepted Answer

A) yes,the kelvin rating will be appreciably higher 
B) yes,the kelvin rating will be appreciably lower 
C) no,they are practically the same 
A) yes,the kelvin rating will be appreciably higher 
B) yes,the kelvin rating will be appreciably lower 
C) no,they are practically the same

Exam 6: Thermal Energy and Thermodynamics

The temperature at the bottom of Lake Tahoe,high in the Sierra Mountains in California,at this moment is

When work is done by a system and no heat is added,the temperature of the system

A volume of helium gas has a temperature of 10°C.The same gas twice as hot has a temperature of

The rise in ocean levels is due to

Heat is thermal energy that flows from

When work is done on a system while additional heat is subtracted,the temperature of the system

As a system becomes more disordered,entropy

On which temperature scale is 0 degrees the freezing point of water?

Increasing the temperature of 50 grams of water by 1°C requires

If water had a lower specific heat capacity,would ponds and lakes be more or less likely to freeze in winter?

Which temperature scale has the smallest sized degrees?

Before ice can form on a lake,all the water in the lake must be cooled to

Heat energy is measured in units of

Whether one object is warmer than another object has most to do with molecular

If water at 20°C slightly increases in temperature,the water

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

Which contracts more when the temperature is decreased? Equal volumes of

Ice tends to form at the

The lowest possible temperature is

The temperature at the center of the Sun is about 107 degrees.Does it matter whether this is stated as Celsius degrees or kelvins?

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

Filters

The temperature at the center of the Sun is about 10⁷ degrees.Does it matter whether this is stated as Celsius degrees or kelvins?