# Chapter 15: Temperature, Heat, And Expansion

42 Questions | Total Attempts: 405  Settings  Related Topics
• 1.
When you touch a cold piece of ice with your finger, energy flows
• A.

From your finger to the ice.

• B.

From the ice to your finger.

• C.

Actually, both ways.

• 2.
Heat energy travels from an object with a high
• A.

Internal energy to an object with a lower internal energy.

• B.

Temperature to an object with a lower temperature.

• C.

Both of these, for they say essentially say the same thing.

• D.

None of the above choices are true.

• 3.
Which of the following normally warms up fastest when heat is applied?
• A.

Water

• B.

Iron

• C.

Glass

• D.

Wood

• E.

All of the above choices are equally true.

• 4.
• A.

High specific heat.

• B.

Low specific heat.

• C.

High conductivity.

• D.

Low conductivity.

• 5.
The fact that a thermometer "takes its own temperature" illustrates
• A.

Thermal equilibrium.

• B.

Energy conservation.

• C.

The difference between heat and internal energy.

• D.

The fact that molecules are constantly moving.

• 6.
Heat energy is measured in units of
• A.

Joules.

• B.

Calories.

• C.

Choices A and B are both true.

• D.

Choices A and B are both false.

• 7.
The moderate temperatures of islands throughout the world has much to do with water's
• A.

Poor conductivity.

• B.

Vast supply of internal energy.

• C.

High specific heat.

• D.

High evaporation rate.

• E.

Absorption of solar energy.

• 8.
Ice has a lower density than water because ice
• A.

Sinks.

• B.

Molecules are more compact in the solid state.

• C.

Molecules vibrate at lower rates than water molecules.

• D.

Is made of open-structured, hexagonal crystals.

• E.

Density decreases with decreasing temperature.

• 9.
Compared to a giant iceberg, a hot cup of coffee has
• 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 these

• 10.
Microscopic slush in water tends to make the water density
• A.

Greater.

• B.

Less.

• C.

No change

• 11.
• A.

Zero degrees C.

• B.

4 degrees C.

• C.

Minus 32 degrees C.

• D.

None of the above. Ice can form at the surface regardless of the water temperature below.

• 12.
Ice tends to form first at the
• A.

Surface of bodies of water.

• B.

Bottom of bodies of water.

• C.

Surface or bottom depending on the water depth.

• 13.
When an iron ring is heated, the hole becomes
• A.

Smaller.

• B.

Larger.

• C.

Neither smaller nor larger.

• D.

Either smaller or larger, depending on the ring thickness.

• 14.
As a piece of metal with a hole in it cools, the diameter of the hole
• A.

Increases.

• B.

Decreases.

• C.

Remains the same.

• 15.
When we enlarge a photograph of an iron ring, the image of the hole becomes
• A.

Smaller.

• B.

Larger.

• C.

Neither smaller nor larger.

• 16.
When a bimetallic bar made of copper and iron strips is heated, the bar bends toward the iron strip. The reason for this is
• 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 these

• 17.
If glass expanded more than mercury, then the column of mercury in a mercury thermometer would rise when the temperature
• A.

Increases.

• B.

Decreases.

• C.

Neither of these

• 18.
Which of the following expands most when the temperature is increased? Equal volumes of
• A.

Iron.

• B.

Wood.

• C.

Ice water.

• D.

Helium.

• E.

All expand the same.

• 19.
Which of the following expands when the temperature is lowered? Equal volumes of
• A.

Iron.

• B.

Wood.

• C.

Helium.

• D.

Water at 4 degrees C.

• E.

None expands when the temperature is lowered.

• 20.
Consider a closed, sealed can of air placed on a hot stove. The contained air undergoes an increase in
• A.

Mass.

• B.

Pressure.

• C.

Temperature.

• D.

All of these

• E.

Two of these

• 21.
Consider a sample of ice at 0 degrees C. If the temperature is decreased, the volume of the ice
• A.

Increases.

• B.

Decreases.

• C.

Stays the same.

• 22.
Which of the following contracts most when the temperature is decreased? Equal volumes of
• A.

Iron.

• B.

Wood.

• C.

Water.

• D.

Helium.

• E.

All contract the same.

• 23.
Which of the following contracts when the temperature is increased? Equal volumes of
• A.

Iron.

• B.

Wood.

• C.

Ice water.

• D.

Helium.

• E.

None of the above contract when heated.

• 24.
Consider a sample of water at 0 degrees C. If the temperature is slightly increased, the volume of the water
• A.

Increases.

• B.

Decreases.

• C.

Remains the same.

• 25.
When water at 4 degrees C is heated it expands. When water at 4 degrees C is cooled, it
• A.

Contracts.

• B.

Expands.

• C.

Neither contracts nor expands.

• 26.
During a very cold winter, water pipes sometimes burst. The reason for this is
• A.

The ground contracts when colder, pulling pipes apart.

• B.

Water expands when freezing.

• C.

Water contracts when freezing.

• D.

The thawing process releases pressure on the pipes.

• E.

None of these

• 27.
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.

• B.

Aluminum.

• C.

Both the same

• 28.
Can a sample of water possibly have the same volume after being warmed by several Celsius degrees?
• A.

Sometimes

• B.

Always

• C.

Never

• 29.
A temperature difference of 10 degrees Celsius is also equal to a temperature difference of 10 on the
• A.

Fahrenheit scale.

• B.

Kelvin scale.

• C.

Both of these

• D.

Neither of these

• 30.
Room temperature on the Kelvin scale is about
• A.

100 K.

• B.

200 K.

• C.

300 K.

• D.

400 K.

• E.

More than 400 K.

• 31.
Between 0 degrees Celsius and 8 degrees Celsius a red-dyed-water-in-glass thermometer would
• A.

Be especially suitable.

• B.

Always be wrong.

• C.

• D.

Explode.

• E.

Implode.

• 32.
• A.

They have a low temperature.

• B.

The energy per molecule is very low.

• C.

The energy per molecule is high, but little energy is transferred because of the few molecules in the spark.

• 33.
Some molecules are able to absorb large amounts of energy in the form of internal vibrations and rotations. Materials composed of such molecules have
• A.

Low specific heats.

• B.

High specific heats.

• C.

None of the above

• 34.
The fact that desert sand is very hot in the day and very cold at night is evidence that sand has
• A.

A low specific heat.

• B.

A high specific heat.

• C.

No specific heat.

• 35.
The temperature at the bottom of Lake Tahoe, high in the Sierra Nevada Mountains in California, at this moment is
• A.

Below 4 degrees C.

• B.

4 degrees C.

• C.

Above 4 degrees C.

• D.

Uncertain.

• 36.
• A.

Less than 30 degrees C.

• B.

At or about 30 degrees C.

• C.

More than 30 degrees C.

• 37.
If you stake out a plot of land with a steel tape on a very hot day, the actual amount of land you will have will be
• A.

Smaller than measured.

• B.

Larger than measured.

• C.

Correct.

• 38.
Place a kilogram block of iron at 40 degrees C into a kilogram of water at 20 degrees C and the final temperature of the two becomes
• A.

Less than 30 degrees C.

• B.

At or about 30 degrees C.

• C.

More than 30 degrees C.

• 39.
If the specific heat of water were lower than it is, ponds in the cold of winter would be
• A.

More likely to freeze.

• B.

Less likely to freeze.

• C.

Neither more nor less likely to freeze.

• 40.
When ice floats in water, a small part of it extends above the surface. Interestingly enough, the volume of ice that extends above the surface is equal to the volume of the
• A.

Water the ice displaces.

• B.

Vast number of open spaces in the hexagonal ice crystals.

• C.

Both of these

• D.

Neither of these

• 41.
Consider a metal ring with a gap cut in it. When the ring is heated, the gap
• A.

Becomes narrower.

• B.

Becomes wider.

• C.

Retains its size.

• 42.
If you measure a plot of land with a brass tape on a cold day, the actual amount of land you have will be
• A.

Smaller than measured.

• B.

Larger than measured.

• C.

The same.