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Heat Transfer & Energy

Total questions: 64

Worksheet time: 57mins

Name
Class
Date
1.

A cat is hanging out several feet from a fire in a fireplace. This causes the cat to get warm. The cat is warm because of...

a)

Convection

b)

Conduction

c)

Radiation

d)

The fur sweater he's wearing!

2.

A lava lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to

a)

Convection

b)

Conduction

c)

Radiation

d)

Globulation

3.

Near the ceiling of a room, the air is warmer. The warmer air is rising because of

a)

Convection

b)

Conduction

c)

Radiation

d)

It was told to by this crazy fool!

4.

In a swimming pool, the water near the surface is slightly warmer. The temperature of the water near the top rises because of

a)

Convection

b)

Conduction

c)

Radiation

d)

Too many dogs being in the pool!

5.

A fireman that is at a building that is on fire feels a door and it is hot. Why does his hand feel hot?

a)

Convection

b)

Conduction

c)

Radiation

d)

The Human Torch was on the other side!

6.

A huge boulder at the state park in Arizona gets so hot during a mid summer's day. This is due to...

a)

Convection

b)

Conduction

c)

Radiation

d)

Boogie Fever

7.

A house burns down. On the house next to it, the vinyl siding is twisted and warped by the heat. The heat was transferred across to the other house by

a)

Convection

b)

Conduction

c)

Radiation

d)

Marvin the Martian

8.

As you hold a piece of ice, it begins to melt from the warmth of you hand on it. This is because of

a)

Convection

b)

Conduction

c)

Radiation

d)

the fact that you are the Human Torch from the Fantastic Four.

9.

In heat transfer, heat always flows from the _______________ object to the _______________ object.

a)

hotter / colder

b)

colder / hotter

c)

hotter / hotter

d)

colder / colder

10.

Which of the following statements is true regarding heat energy?

a)

The quicker a molecule moves, the colder it is.

b)

The slower a molecule moves, the warmer it is.

c)

The quicker a molecule moves, the warmer it is.

d)

The faster you dance, the quicker you get tired.

11.
Heat is the movement of ______.
a)
radiation
b)
thermal energy
c)
cold
d)
fire
12.

Weather Patterns...

a)

Conduction

b)

Convection

c)

Radiation

13.

Heat/magma moving under Earth's mantle; hot magma rises and cold magma sinks...

a)

Conduction

b)

Convection

c)

Radiation

14.

What is the circular motion of hot air rising and cold air sinking?

a)

Radiation

b)

Convection Currents

c)

Electromagnetic Waves

d)

Conduction

15.

The sun shining...

a)
conduction
b)
convection
c)
radiation
16.

Hot coffee is stirred with a spoon; the spoon gets hot due to...

a)
conduction
b)
convection
c)
radiation
17.
Molecules in cold things move more _________
than in hot things.
a)
quickly
b)
slowly
c)
happily
d)
merrily
18.
The kind of heat transfer that travels through space in electromagnetic waves is ______________________.
a)
insulation.
b)
Radiation
c)
Conduction
d)
Convection
19.
Select the temperature in °F
a)
90°F
b)
100°F
c)
40°F
d)
30°F
20.

Being able to take a hot air balloon ride, the movement of the heat inside the balloon is an example of what?

a)

Radiation

b)

Conduction

c)

Convection

21.

What is something that prevents heat, electricity, sound, light...to pass through it?

a)

insulator

b)

conduction

c)

heat transfer

d)

conductor

22.

Which of the following is a GOOD insulator?

a)

rubber

b)

glass

c)

wood

d)

silver

23.

Which of the following is a GOOD conductor?

a)

water

b)

copper wires

c)

styrofoam

d)

air

24.

What is something that readily conducts heat, electricity, sound...

a)

insulator

b)

conduction

c)

thermal equilibrium

d)

conductor

25.

the transfer of heat in a fluid (gas or liquid) by means of up & down movements called convection currents

a)

conduction

b)

convection

c)

radiation

26.

What is the transfer of heat through invisible wavelengths?

a)

conduction

b)

convection

c)

radiation

27.

the transfer of heat through a medium (material) by direct contact of molecules

a)

conduction

b)

convection

c)

radiation

28.

Which object below would you expect to have the lowest temperature if all three were sitting in the same room?

a)

Nitrogen gas

b)

Liquid Nitrogen

c)

Nitrogen crystals

d)

none of these fit this quesiton.

29.

What is the concept in which two objects in contact with each other transfer heat until they are equal?

a)

thermal equilibrium

b)

thermal energy

c)

thermal equality

d)

thermal heat

30.

What is a measure of the average kinetic energy of the individual particles in an object?

a)

heat

b)

volume

c)

kineticism

d)

temperature

31.

What is energy caused by the internal movement of molecules; measured in joules?

a)

conduction

b)

heat

c)

radiation

d)

insulator

32.

Sunbathing is an example of...

a)

conduction

b)

convection

c)

radiation

33.

Burning your feet on the hot sand is an example of...

a)

conduction

b)

convection

c)

radiation

34.

Feeling the warm breeze from the ocean is an example of...

a)

conduction

b)

convection

c)

radiation

35.

Cooking pizza in the microwave is an example of...

a)

conduction

b)

convection

c)

radiation

36.

Steam rising from hot soup is an example of...

a)

conduction

b)

convection

c)

radiation

37.

Cooking pancakes on a griddle is an example of...

a)

conduction

b)

convection

c)

radiation

38.
What happens when ice cubes melt in a glass?
a)
Heat travels from the ice to the warmer water.
b)
No energy is transferred.
c)
Heat is transferred from the warmer water to the ice cubes.
39.
Which of the following is the best example of conduction?
a)
A light bulb warming a lampshade
b)
An egg cooking in a frying pan
c)
Water boiling in a pot
d)
Gases circulating in the atmosphere
40.
What causes the circulation of air in the atmosphere?
a)
Air in the atmosphere is heated by the sun and sinks to the ground.
b)
The ground is heated by the sun and then heats the air, causing the air to rise.
c)
Air loses heat to the ground and then rises upward to obtain more energy.
d)
The sun heats the clouds which forces the cooler air to move away and sink.
41.

The moving of air in the image is an example of _?_.

a)

radiation

b)

convection

c)

conduction

42.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
43.
Carole owns a two story house with a heating and cooling unit on each floor. In the winter she mostly uses the downstairs unit because the volume of warm air __________ and __________ warming the whole house through __________.
a)
expands, rises, convection
b)
expands, sinks, conduction
c)
contracts, rises, conversion
d)
contracts, sinks, contraption
44.
A toaster toasting bread is an example of 
a)
condensation
b)

conduction

c)
convection
d)
radiation
45.
Molecules in cold things move more _________
than in hot things.
a)
quickly
b)
slowly
c)
happily
d)
merrily
46.

The arrows in the picture show several ways heat is transferred from the Sun as it strikes sand on the surface of a beach. Which arrow shows convection?

a)

1

b)

2

c)

3

d)

4

47.

Refer to the data table which records temperatures taken at the surface of a lake throughout the day. What type of energy is responsible for the fluctuation in the temperatures?

a)

convection

b)

conduction

c)

radiation

d)

nuclear

48.

Kumar is studying how Earth is warmed by sunlight. The following illustration shows his model of the sun and Earth.

Which process is mostly responsible for warming the soil in Kumar’s model?

a)

Conduction between the lamp and the soil causes the soil to warm.

b)

Convection currents between the lamp and the soil cause the soil to warm.

c)

Expansion of particles in the soil causes the soil to warm.

d)

Radiation from the lamp reaches the soil and causes the soil to warm.

49.

Sarah is investigating the transfer of energy in the form of heat. One process that transfers energy between two objects is conduction.

Which statement is NOT true about conduction?

a)

It involves a transfer of energy in the form of heat.

b)

It can transfer energy through empty space.

c)

It requires direct contact between the objects.

d)

It results in a change of temperature in both objects.

50.

A warm rock is in direct contact with the cooler ground.

Which of the following will happen?

a)

Energy in the form of heat will flow from the rock to the ground, and the temperature of the rock will increase

b)

Energy in the form of heat will flow from the ground to the rock, and the temperature of the rock will increase

c)

Energy in the form of heat will flow from the rock to the ground, and the temperature of the rock will decrease.

d)

Energy in the form of heat will flow from the ground to the rock, and the temperature of the rock will decrease.

51.

If you visit the beach on a hot summer day you will probably feel a sea breeze coming off the water onto the land.

Which of the following causes this sea breeze?

a)

During the day, solar radiation warms the land more than the water.

b)

The water is warmer than the land during the day.

c)

Earth is tilted toward the Sun, causing air to move inland from the water.

d)

Hurricanes that form in the oceans blow air into the shore.

52.
If two objects have reached the same temperature they have reached:
a)
a melting point.
b)
a boiling point.
c)
thermal equilibrium.
d)
specific heat.
53.
Heat and temperature are the SAME thing. 
a)
Super true!, Both measure the amount of molecules
b)
Of course not, Heat measures NUMBER of molecules, while temperature measures the SPEED of molecules
54.
The temperature at which molecular energy is at a minimum (0 K on the Kelvin scale or -273.16 C) on the Celsius scale.
a)
Specific Heat
b)
Plasma
c)
Absolute Zero
d)
Conduction
55.

A piece of cheese that melts as heat is transferred from the meat to the cheese is an example of what?

a)

Radiation

b)

Conduction

c)

Convection

56.

True or False

Heat transfer is the transfer of heat from cooler objects to warmer objects.

a)

True

b)

False

57.

Convection is how heat transfers through...

a)

Fluids

b)

Direct Contact

c)

Empty Space

58.

Conduction is how heat transfers through...

a)

Fluids

b)

Direct Contact

c)

Empty Space

59.

Radiation is how heat transfers through...

a)

Fluids

b)

Direct Contact

c)

Empty Space

60.

True or False

The hotter the temperature the faster the molecules move around.

a)

True

b)

False

61.

The man goes to take the hot pot off the stove with his bare hands. What heat transfer caused his hands to burn?

a)
conduction
b)
convection
c)
radiation
62.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
63.
Why do we wear sweaters in cold weather?
a)
To keep cold out.
b)
To generate heat.
c)
To reduce heat loss.
d)
All of the above.
64.

Kinetic Energy is...(choose the best answer)

a)

Energy in motion

b)

Energy being stored

c)

Energy that is lost

d)

Energy that nice.

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