Physics Chapter 15

Translational motion is characterized by

c) both of these

When ice crystals collapse at the surface of ice, the result is a

C) both of these

Open spaces in ice crystals contribute to

A) Decreased density

A substance that cools down faster than others has a

A) low specific heat capacity

Ice tends to form first at the

A) surface of bodies of water

Which unit represents the most energy?

B) Calorie

In which is the temperature greater?

C) both the same

Microscopic slush in ice water tends to make water density

A) Lower

It is important that the two metals that compose a bimetallic strip have

B) different rates of expansion

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

B) water expanding when freezing

If you wish to expand the volume of a sample of water at 4 degrees celsius

C) either of these

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

High specific heat capacity

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

41.9 joules

Aluminum has a specific heat capacity more than twice that of copper. Place equal masses of aluminum and copper wire in a flame and the one to undergo the fastest increase in temperature will be

A) Copper

Which temperature scale has the smallest sized degrees

A) Fahrenheit

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

A) From your finger to the ice

The fact that gasoline overflows a full tank on a hot day is evidence that

A) Gasoline expands more with increasing temperature than its tank

A substance that heats up relatively slowly has a

A) High specific heat capacity

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

A) Increases

Temperature is most closely related to molecular

A) Kinetic energy

The white-hot sparks from a 4th of July type sparkler that strike your skin transfer

A) Little energy to you in spite of their high temperature

One of water's interesting thermal properties is that when heated it takes a relatively

A) Long time in changing temperature

Due to the presence of ice crystals in nearly frozen liquid water, the density of water is

A) Lower

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

A) More likely to freeze

If the specific heat capacity of water were lower than it is, a nice hot bath would be a

A) Shorter experience

If the specific heat capacity of water were lower than it is, a watermelon in a picnic cooler would cool in a

A) Shorter time

The specific heat capacity is highest for substances that absorb or release large quantities of heat for correspondingly

A) Small temperature changes

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

A) Thermal equilibrium

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

A) Translational motion

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

A) a bit short

Consider some water at 6 degrees celsius. For a slight increase its temperature the water will

A) expand

If the temperature of a sample of water at 4 degrees celsius is slightly increased, its volume

A) increases

If the temperature of a sample of water at 4 degrees celsius is slightly lowered, its volume

A) increases

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

A) less than 30 degrees celsius

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) low

A body of water will be deeper when its

A) temperature rises

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

B) 4 degrees C

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

B) 4 degrees celsius

The temperature at the bottom of lake tahoe, high in the Sierra NEvada Mountains in California, at this moment is

B) 4 degrees celsius

The air in your room is composed of molecules that have

B) A wide variety of speeds

When water at 4 degrees C is heated it expands. When water at 4 degrees C is cooled, it will

B) Also expand

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

B) Becomes wider

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

B) Decreases

If the temperature of a sample of water at 0 degrees celcius is slightly increased, its volume

B) Decreases

When most substances are heated, molecules inside move faster and take up more space, resulting in thermal

B) Expansion

Internal energy is greater in a

B) Fire engine pail of boiing hot tea

When you touch a hot potato with your finger, energy flows

B) From the potato to your finger

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

B) High specific heats

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

B) High specific heats

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

B) Higher temperature, but less internal energy

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

B) Iron

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

B) Iron

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

B) Kelvin scale

When an iron ring is heated, the hole becomes

B) Larger

When we enlarge a photograph of an iron ring, the image of the hole becomes

B) Larger

A substance that heats up relatively quickly has a

B) Low specific heat capacity

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

B) Temperature

Heat energy travels from an object with a high

B) Temperature to an object with a lower temperature

In terms of thermal expansion it is important that

B) The fillings in your teeth expand at the same rate as teeth

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

B) The tomato sauce feels hotter than the dough

When ice floats in water, a small part of it extends above the surface. Interestingly, the volume of ice that extends above the surface is equal to the volume of the

B) Vast number of open spaces in all the hexagonal ice crystals

When nice floats in water, a small part of it extends above the surface. Interestingly, the volume of ice that extends above the surface is equal to the volume of the

B) Vast number of open spaces in all the hexagonal ice crystals

If you measure the width of an outdoor barn with a steel tape on a very cold day, your measured width will be

B) a bit long

When water at 4 degrees celsius is heated it expands. If it is instead cooled it will

B) also expand

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

B) also expand

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

B) at or about 30 degrees celsius

If the temperature of a sample of water at 0 degrees celsius is slightly increased, its volume

B) decreases

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

B) decreases

Room temperature on the Kelvin scale is about

C) 300 K

The amount of heat needed to raise the temperature of 1 gram of water by 1 degrees Celsius is

C) 4.19 joules

Heat energy is measured in units of

C) Both of these

Ice crystals in nearly frozen liquid water make up a

C) Both of these

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

C) Copper expands more than iron

Which of these expand when the temperature is lowered

C) Ice water

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

C) More than 30 degrees celsius

A substance with a high thermal inertia has a high

C) Specific heat capacity

Heat travels from an object with a high

C) Temperature to an object with a lower temperature

Which of these is correct?

C) a piece of ice floats in water

When ice water at 0°C is heated

C) both occur until 4 degrees celsius is reached

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

C) gases

Ice has a lower density than water because ice

C) is made of open-structured, hexagonal crystals.

Which temperature scales have equal sized degrees

Celsius to Kelvin

The white-hot sparks from a fireworks sparkler that strike your skin have relatively

D) All of the above

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

D) Helium

Which of the following contracts most when the temperature is decreased? Equal volumes of

D) Helium (for expansion and contraction)

The quantity of heat that a substance can transfer relates to its

D) all of the above