Question 1

If you measure the distance between two telephone poles with a steel tape on a very hot day, your measured distance will be

Accepted Answer

A) a bit short. 
B) a bit long. 
C) the same as on an average-temperature day. 
A) a bit short. 
B) a bit long. 
C) the same as on an average-temperature day. A

Question 2

Which unit represents the most energy?

Accepted Answer

A) calorie 
B) Calorie 
C) joule 
D) all the same 
A) calorie 
B) Calorie 
C) joule 
D) all the same B

Question 3

Consider a metal ring with a gap cut in it. When the ring is heated, the gap

Accepted Answer

A) becomes narrower. 
B) becomes wider. 
C) retains its size. 
A) becomes narrower. 
B) becomes wider. 
C) retains its size. B

Question 4

Pour two liters of water at 40°C into one liter of water at 20°C and the final temperature of the two becomes

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 5

In most cases, which expands more for comparable changes in temperature?

Accepted Answer

A) solids. 
B) liquids. 
C) gases. 
D) all expand about equally. 
A) solids. 
B) liquids. 
C) gases. 
D) all expand about equally.

Question 6

When you touch a cold piece of ice with your finger, energy flows

Accepted Answer

A) from your finger to the ice. 
B) from the ice to your finger. 
C) actually, both ways. 
A) from your finger to the ice. 
B) from the ice to your finger. 
C) actually, both ways.

Question 7

The temperature at the bottom of Lake Tahoe, high in the Sierra Nevada 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 8

Aluminum has a higher specific heat capacity than iron. This means that for equal masses of aluminum and iron, the metal that heats more quickly when the same amount of heat is applied is

Accepted Answer

A) aluminum. 
B) iron. 
C) need more information 
A) aluminum. 
B) iron. 
C) need more information

Question 9

A substance that cools down faster than others has a

Accepted Answer

A) low specific heat capacity. 
B) high specific heat capacity. 
C) either of these 
D) neither of these 
A) low specific heat capacity. 
B) high specific heat capacity. 
C) either of these 
D) neither of these

Question 10

During a very cold winter, water pipes sometimes burst due to

Accepted Answer

A) the ground contracting when colder. 
B) water expanding when freezing. 
C) water contracting when freezing. 
D) thawing producing pressure on the pipes. 
E) none of the above 
A) the ground contracting when colder. 
B) water expanding when freezing. 
C) water contracting when freezing. 
D) thawing producing pressure on the pipes. 
E) none of the above

Question 11

A temperature difference of 10 Celsius degrees is also equal to a temperature difference of 10 on the

Accepted Answer

A) Fahrenheit scale. 
B) Kelvin scale. 
C) both of these 
D) neither of these 
A) Fahrenheit scale. 
B) Kelvin scale. 
C) both of these 
D) neither of these

Question 12

When 10 grams of hot water cool by 1°C, the amount of heat given off is

Accepted Answer

A) 41.9 calories. 
B) 41.9 Calories. 
C) 41.9 joules. 
D) more than 41.9 joules. 
E) none of the above 
A) 41.9 calories. 
B) 41.9 Calories. 
C) 41.9 joules. 
D) more than 41.9 joules. 
E) none of the above

Question 13

When water at 4°C is heated it expands. If it is instead cooled it will

Accepted Answer

A) contracts. 
B) also expand. 
C) neither contracts nor expands. 
A) contracts. 
B) also expand. 
C) neither contracts nor expands.

Question 14

When a bimetallic bar made of copper and iron strips is heated, the bar bends toward the iron strip. The reason for this is

Accepted Answer

A) iron gets hotter before copper. 
B) copper gets hotter before iron. 
C) copper expands more than iron. 
D) iron expands more than copper. 
E) none of the above 
A) iron gets hotter before copper. 
B) copper gets hotter before iron. 
C) copper expands more than iron. 
D) iron expands more than copper. 
E) none of the above

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

A) water 
B) iron 
C) glass 
D) wood 
E) all of the above 
A) water 
B) iron 
C) glass 
D) wood 
E) all of the above

Question 17

When the temperature of a solid block of ice is lowered, its volume

Accepted Answer

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

Question 18

Compared to a giant iceberg, a hot cup of coffee has

Accepted Answer

A) more internal energy and higher temperature. 
B) higher temperature, but less internal energy. 
C) a greater specific heat and more internal energy. 
D) none of the above 
A) more internal energy and higher temperature. 
B) higher temperature, but less internal energy. 
C) a greater specific heat and more internal energy. 
D) none of the above

Question 19

A closed, sealed can of air placed on a hot stove. The contained air undergoes an increase in

Accepted Answer

A) mass. 
B) temperature. 
C) both of these 
D) neither of these 
A) mass. 
B) temperature. 
C) both of these 
D) neither of these

Question 20

Translational motion is characterized by

Accepted Answer

A) motion that carries a molecule from one place to another. 
B) the motion used in measuring temperature. 
C) both of these 
D) neither of these 
A) motion that carries a molecule from one place to another. 
B) the motion used in measuring temperature. 
C) both of these 
D) neither of these

Exam 15: Temperature, Heat, and Expansion

If you measure the distance between two telephone poles with a steel tape on a very hot day, your measured distance will be

Which unit represents the most energy?

Consider a metal ring with a gap cut in it. When the ring is heated, the gap

Pour two liters of water at 40°C into one liter of water at 20°C and the final temperature of the two becomes

In most cases, which expands more for comparable changes in temperature?

When you touch a cold piece of ice with your finger, energy flows

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

Aluminum has a higher specific heat capacity than iron. This means that for equal masses of aluminum and iron, the metal that heats more quickly when the same amount of heat is applied is

A substance that cools down faster than others has a

During a very cold winter, water pipes sometimes burst due to

A temperature difference of 10 Celsius degrees is also equal to a temperature difference of 10 on the

When 10 grams of hot water cool by 1°C, the amount of heat given off is

When water at 4°C is heated it expands. If it is instead cooled it will

When a bimetallic bar made of copper and iron strips is heated, the bar bends toward the iron strip. The reason for this is

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

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

When the temperature of a solid block of ice is lowered, its volume

Compared to a giant iceberg, a hot cup of coffee has

A closed, sealed can of air placed on a hot stove. The contained air undergoes an increase in

Translational motion is characterized by

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