Question 1

Tomatoes have a higher specific heat capacity than dough. This means that when you bite into a hot pizza

Accepted Answer

A) the dough feels hotter than the tomato sauce. 
B) the tomato sauce feels hotter than the dough. 
C) since sauce and dough are at the same temperature, neither feels hotter. 
A) the dough feels hotter than the tomato sauce. 
B) the tomato sauce feels hotter than the dough. 
C) since sauce and dough are at the same temperature, neither feels hotter.

Question 2

The fact that desert sand is very hot in the day and very cold at night is evidence that the specific heat capacity of sand is relatively

Accepted Answer

A) low. 
B) high. 
C) practically absent. 
A) low. 
B) high. 
C) practically absent.

Question 3

A substance that heats up relatively quickly has a

Accepted Answer

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

Question 4

If the temperature of a sample of water at 4°C is slightly increased, its volume

Accepted Answer

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

Question 5

If the specific heat of water were lower than it is, ponds in the cold of winter would be

Accepted Answer

A) more likely to freeze. 
B) less likely to freeze. 
C) neither more nor less likely to freeze. 
A) more likely to freeze. 
B) less likely to freeze. 
C) neither more nor less likely to freeze.

Question 6

If glass expanded more than mercury, then the column of mercury in a mercury thermometer would fall when the temperature

Accepted Answer

A) increases. 
B) decreases. 
C) neither of these 
A) increases. 
B) decreases. 
C) neither of these

Question 7

Materials composed of molecules that absorb large amounts of energy in the form of internal vibrations and rotations have

Accepted Answer

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

Question 8

Place a 1-kilogram block of iron at 40°C into 1 kilogram 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 9

A substance that heats up relatively slowly has a

Accepted Answer

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

Question 10

If the temperature of a sample of water at 4°C is slightly lowered, its volume

Accepted Answer

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

Question 11

Internal energy is greater in a

Accepted Answer

A) cup of boiling-hot tea. 
B) fire-engine pail of boiling-hot tea. 
C) both the same 
A) cup of boiling-hot tea. 
B) fire-engine pail of boiling-hot tea. 
C) both the same

Question 12

The kind of molecular motion that mostly relates to the temperature of a substance is

Accepted Answer

A) translational motion. 
B) rotational motion. 
C) vibrational motion. 
D) all about equally 
A) translational motion. 
B) rotational motion. 
C) vibrational motion. 
D) all about equally

Question 13

Open spaces in ice crystals contribute to

Accepted Answer

A) decreased density. 
B) increased density. 
C) neither of these 
A) decreased density. 
B) increased density. 
C) neither of these

Question 14

As a piece of metal with a hole in it cools, the diameter of the hole

Accepted Answer

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

Question 15

Consider some water at 6°C. For a slight increase its temperature the water will

Accepted Answer

A) expand. 
B) contract. 
C) remain the same. 
A) expand. 
B) contract. 
C) remain the same.

Question 16

A substance with a high thermal inertia has a high

Accepted Answer

A) temperature, in many cases. 
B) heat conductivity. 
C) specific heat capacity. 
D) energy content. 
A) temperature, in many cases. 
B) heat conductivity. 
C) specific heat capacity. 
D) energy content.

Question 17

When ice water at 0°C is heated

Accepted Answer

A) thermal expansion occurs. 
B) thermal contraction occurs. 
C) both occur until 4°C is reached 
A) thermal expansion occurs. 
B) thermal contraction occurs. 
C) both occur until 4°C is reached

Question 18

In terms of thermal expansion it is important that

Accepted Answer

A) a key and its lock are made of similar or the same material. 
B) the fillings in your teeth expand at the same rate as teeth. 
C) iron rods and concrete in which they're embedded expand equally. 
D) all of the above 
E) none of the above 
A) a key and its lock are made of similar or the same material. 
B) the fillings in your teeth expand at the same rate as teeth. 
C) iron rods and concrete in which they're embedded expand equally. 
D) all of the above 
E) none of the above

Question 19

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

Accepted Answer

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

Question 20

The amount of heat needed to raise the temperature of 1 gram of water by 1°C is

Accepted Answer

A) 4.19 calories. 
B) 4.19 Calories. 
C) 4.19 joules. 
D) none of the above 
A) 4.19 calories. 
B) 4.19 Calories. 
C) 4.19 joules. 
D) none of the above

Exam 15: Temperature, Heat, and Expansion

Tomatoes have a higher specific heat capacity than dough. This means that when you bite into a hot pizza

The fact that desert sand is very hot in the day and very cold at night is evidence that the specific heat capacity of sand is relatively

A substance that heats up relatively quickly has a

If the temperature of a sample of water at 4°C is slightly increased, its volume

If the specific heat of water were lower than it is, ponds in the cold of winter would be

If glass expanded more than mercury, then the column of mercury in a mercury thermometer would fall when the temperature

Materials composed of molecules that absorb large amounts of energy in the form of internal vibrations and rotations have

Place a 1-kilogram block of iron at 40°C into 1 kilogram of water at 20°C and the final temperature of the two becomes

A substance that heats up relatively slowly has a

If the temperature of a sample of water at 4°C is slightly lowered, its volume

Internal energy is greater in a

The kind of molecular motion that mostly relates to the temperature of a substance is

Open spaces in ice crystals contribute to

As a piece of metal with a hole in it cools, the diameter of the hole

Consider some water at 6°C. For a slight increase its temperature the water will

A substance with a high thermal inertia has a high

When ice water at 0°C is heated

In terms of thermal expansion it is important that

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

The amount of heat needed to raise the temperature of 1 gram of water by 1°C is

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