Question 1

After an apple pie is taken from an oven,the pie filling is hotter than the crust due to

Accepted Answer

A) water in the filling that better retains thermal energy. 
B) uneven temperatures. 
C) high conductivity of apples. 
A) water in the filling that better retains thermal energy. 
B) uneven temperatures. 
C) high conductivity of apples. A

Question 2

Increasing the temperature of 1 gram of ice-cold water to the temperature of boiling water requires

Accepted Answer

A) 80 calories. 
B) 100 calories. 
C) 540 calories. 
D) none of the above 
A) 80 calories. 
B) 100 calories. 
C) 540 calories. 
D) none of the above B

Question 3

A nutritionist in the United States measures food energy in units of

Accepted Answer

A) kilocalories. 
B) Calories. 
C) both are the same 
D) neither of the above 
A) kilocalories. 
B) Calories. 
C) both are the same 
D) neither of the above C

Question 4

When a metal ring with a gap in the shape of the letter C is cooled,the gap becomes

Accepted Answer

A) wider. 
B) narrower. 
C) remains the same size. 
A) wider. 
B) narrower. 
C) remains the same size.

Question 5

The greatest expansion of water among the following occurs when

Accepted Answer

A) it turns to ice. 
B) at 4°C it gains thermal energy. 
C) at 4°C it loses thermal energy. 
D) none of the above 
A) it turns to ice. 
B) at 4°C it gains thermal energy. 
C) at 4°C it loses thermal energy. 
D) none of the above

Question 6

Heat is simply another word for

Accepted Answer

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

Question 7

Explain what is meant by saying a thermometer measures its own temperature.

Accepted Answer

Objects in the same locality will ultima

Question 8

Which of the following normally warms up faster when heat is applied?

Accepted Answer

A) water 
B) iron 
C) glass 
D) wood 
A) water 
B) iron 
C) glass 
D) wood

Question 9

When an iron ring is heated,the hole becomes

Accepted Answer

A) smaller. 
B) larger. 
C) neither 
A) smaller. 
B) larger. 
C) neither

Question 10

Which contracts more when the temperature is slightly increased? Equal volumes of

Accepted Answer

A) iron. 
B) wood. 
C) ice water. 
D) helium. 
E) none of the above contract when heated 
A) iron. 
B) wood. 
C) ice water. 
D) helium. 
E) none of the above contract when heated

Question 11

The fact that a thermometer "takes its own temperature" illustrates

Accepted Answer

A) thermal equilibrium. 
B) energy conservation. 
C) the difference between heat and thermal energy. 
D) that molecules are constantly moving. 
A) thermal equilibrium. 
B) energy conservation. 
C) the difference between heat and thermal energy. 
D) that molecules are constantly moving.

Question 12

When the temperature of a quantity of 0°-C air at constant pressure is lowered by 1 degree,its volume

Accepted Answer

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

Question 13

A kg of 40°C water and a kg of 20°C water,after being mixed,have a temperature of 30°C.However,the final temperature of a 1-kg iron block at 40°C placed into 1 kg of water at 20°C is

Accepted Answer

A) less than 30°C. 
B) at or about 30°C. 
C) more than 30°C. 
A) less than 30°C. 
B) at or about 30°C. 
C) more than 30°C.

Question 14

The specific heat capacity of aluminum is more than twice that of copper.Place equal masses of aluminum and copper wire in a flame and the wire to heat up quickest will be

Accepted Answer

A) copper. 
B) aluminum. 
C) both the same 
A) copper. 
B) aluminum. 
C) both the same

Question 15

If the same quantity of heat is added to both a 1-liter and a 2-liter container of water,the temperature change in the 1-liter container will be

Accepted Answer

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

Question 16

The overflow of gasoline from a car's full metal tank on a hot day is evidence that gasoline expands

Accepted Answer

A) more than metal. 
B) about the same as metal. 
C) less than metal. 
D) none of the above. 
A) more than metal. 
B) about the same as metal. 
C) less than metal. 
D) none of the above.

Question 17

The moderate temperatures of islands throughout the world has mainly to do with water's

Accepted Answer

A) poor conductivity. 
B) vast supply of thermal energy. 
C) high specific heat capacity. 
D) high evaporation rate. 
E) absorption of solar energy. 
A) poor conductivity. 
B) vast supply of thermal energy. 
C) high specific heat capacity. 
D) high evaporation rate. 
E) absorption of solar energy.

Question 18

Which has the greater specific heat capacity; the filling of a hot piece of pie or the crust?

Accepted Answer

A) the filling 
B) the crust 
C) depends on the temperature 
A) the filling 
B) the crust 
C) depends on the temperature

Question 19

Thermal energy will flow in a direction from cold to hot

Accepted Answer

A) only with external effort. 
B) near absolute zero. 
C) never. 
D) always. 
A) only with external effort. 
B) near absolute zero. 
C) never. 
D) always.

Question 20

Which law of thermodynamics addresses the direction of heat flow?

Accepted Answer

A) First law 
B) Second law 
C) Third law 
D) all of the above 
A) First law 
B) Second law 
C) Third law 
D) all of the above

Exam 6: Thermal Energy and Thermodynamics

After an apple pie is taken from an oven,the pie filling is hotter than the crust due to

Increasing the temperature of 1 gram of ice-cold water to the temperature of boiling water requires

A nutritionist in the United States measures food energy in units of

When a metal ring with a gap in the shape of the letter C is cooled,the gap becomes

The greatest expansion of water among the following occurs when

Heat is simply another word for

Explain what is meant by saying a thermometer measures its own temperature.

Which of the following normally warms up faster when heat is applied?

When an iron ring is heated,the hole becomes

Which contracts more when the temperature is slightly increased? Equal volumes of

The fact that a thermometer "takes its own temperature" illustrates

When the temperature of a quantity of 0°-C air at constant pressure is lowered by 1 degree,its volume

A kg of 40°C water and a kg of 20°C water,after being mixed,have a temperature of 30°C.However,the final temperature of a 1-kg iron block at 40°C placed into 1 kg of water at 20°C is

The specific heat capacity of aluminum is more than twice that of copper.Place equal masses of aluminum and copper wire in a flame and the wire to heat up quickest will be

If the same quantity of heat is added to both a 1-liter and a 2-liter container of water,the temperature change in the 1-liter container will be

The overflow of gasoline from a car's full metal tank on a hot day is evidence that gasoline expands

The moderate temperatures of islands throughout the world has mainly to do with water's

Which has the greater specific heat capacity; the filling of a hot piece of pie or the crust?

Thermal energy will flow in a direction from cold to hot

Which law of thermodynamics addresses the direction of heat flow?

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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