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

Question 2

When an iron ring is heated,the hole becomes

Accepted Answer

A)  smaller.
B)  larger.
C)  neither

Question 3

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

Question 4

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

Accepted Answer

Objects in the same locality will ultima...

Question 5

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.

Question 6

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

Question 7

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 B

Question 8

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.

Question 9

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.

Question 10

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.

Question 11

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

Question 12

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.

Question 13

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.

Question 14

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.

Question 15

Heat is simply another word for

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

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 C

Question 18

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

Question 19

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

Question 20

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.

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

Correct AnswerverifiedA

When an iron ring is heated,the hole becomes

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedObjects in the same locality will ultima...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedB

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which law of thermodynamics addresses the direction of heat flow?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Thermal energy will flow in a direction from cold to hot

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Heat is simply another word for

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

The greatest expansion of water among the following occurs when

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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A

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Objects in the same locality will ultima...
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B

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C

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