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Heat Test

Total questions: 65

Worksheet time: 33mins

Name
Class
Date
1.

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.

2.
A student standing near a campfire feels warmer as the fire grows. Which process most likely transfers heat from the campfire to the student?
a)
conduction
b)
convection
c)
radiation
d)
transformation
3.
One end of a metal rod is placed over a flame during an investigation. A thermometer is touching the opposite end of the metal rod. Which best describes what is happening during this investigation?
a)
Convection carries heat to the thermometer
b)
Radiant energy warms the thermometer.
c)
Mechanical energy from the flame carries heat to the thermometer.
d)
Heat from the flame is conducted through the metal rod to the thermometer.
4.
Isabella filled a glass with warm water. She measured the temperature, and it was 30°C. She left the glass on a table in a room that was 20°C. A few hours later, she measured the water temperature again, and it was 24°C. Which BESTexplains why the water temperature changed?
a)
Energy in the air removed heat from the water.
b)
Heat energy in the water was destroyed by the glass.
c)
Heat energy in the water was transferred to the cooler air.
d)
Energy used by evaporation caused the water temperature to decrease.
5.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
6.
Which of the following statements about thermal energy is true?
a)
As you hold a cup of hot water your hands cool the water.
b)
As you hold a glass of cold milk, the cold travels to your hand.
c)
As you hold a cup of cold milk, your hand cools the milk.
d)
As you hold a cup of hot water, the heat moves to your hand.
7.
A student is mixing a cup of hot chocolate with a spoon. How is the heat transferred between the hot chocolate and the part of the spoon that is in the hot chocolate?
a)
Conduction transfers energy from the spoon to the hot chocolate.
b)
Conduction transfers energy from the hot chocolate to the spoon.
c)
Convection transfers energy from the spoon to the hot chocolate.
d)
Convection transfers energy from the hot chocolate to the spoon.
8.
Which statement describes the transfer of energy when an ice cube is placed in a cup of hot tea?
a)
Heat flows from the tea to the ice.
b)
Cold flows from the ice to the tea.
c)
Cold flows from the ice, and heat flows from the tea.
d)
Heat flows simultaneously between the ice and the tea.
9.
Miranda wraps her hands around a mug of hot tea. The heat from the hot tea is being transferred to Miranda’s hands primarily by
a)
conduction
b)
convection
c)
absorption
d)
radiation
10.
Jennifer is in a room that has an air temperature of 25ºC (77ºF). Before pouring cold water into a glass, she notices that the ice in the pitcher is melting. What would be the BEST way for Jennifer to describe how thermal energy is being transferred?
a)
Heat moves from the ice to the water.
b)
Cold moves from the ice into the water.
c)
Heat moves from the air into the water.
d)
Cold moves from the water into the room.
11.
Energy from the Sun reaches Earth by
a)
radiation
b)
conduction
c)
convection
d)
thermal expansion
12.
A pan containing hot water is left on the counter and becomes cool mainly due to
a)
water molecules moving apart.
b)
cold air penetrating the hot water.
c)
heat from the water moving into the cooler air.
d)
hot water reacting with the metal pan.
13.
One end of a metal rod is placed over a flame during an investigation. A thermometer is touching the opposite end of the metal rod. Which BEST describes what is happening during this investigation?
a)
Convection carries heat to the thermometer.
b)
Radiant energy warms the thermometer.
c)
Mechanical energy from the flame carries heat to the thermometer.
d)
Heat from the flame is conducted through the metal rod to the thermometer.
14.
Hot objects begin to cool as
a)
cooler air is transferred to the object.
b)
energy in the object is transferred to the surrounding air.
c)
atoms in the object react with the oxygen in the air.
d)
energy in the object cancel out energy in the air.
15.
Which best describes the process of convection?
a)
Convection is the primary way  heat travels  through rays.
b)
Convection is the primary way heat travels  through metals.
c)
Convection is the primary way heat travels  through appliances.
d)
Convection is the primary way heat travels  through liquids and gasses.
16.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
17.

Eggs cooking in a frying pan

a)

Conduction

b)

Convection

c)

Radiation

18.

How does heat energy reach the Earth from the Sun

a)

Convection

b)

Radiation

c)

Conduction

d)

Insulation

19.

Which of the following describes Convection?

a)

The transfer of heat through liquids and gases

b)

The transfer of heat through electromagnetic waves (rays)

c)

The transfer of heat between two objects in direct contact with one another

20.

Which of the following describes Conduction?

a)

The transfer of heat through liquids and gases

b)

The transfer of heat through electromagnetic waves (rays)

c)

The transfer of heat between two objects in direct contact with one another

21.

Which of the following describes Radiation?

a)

The transfer of heat through liquids and gases

b)

The transfer of heat through electromagnetic waves (rays)

c)

The transfer of heat between two objects in direct contact with one another

22.

Which of the following examples represents Convection?

a)

A person holding a hot cup of coffee

b)

A pot of boiling water

c)

A person warming their hands above a fire

23.
Rubber is considered an _____
a)
Conductor
b)
Insulator
c)
Radiation 
d)
None of the above
24.

Which of the following examples represents Radiation?

a)

A person holding a hot cup of coffee

b)

A pot of boiling water

c)

A person warming their hands above a fire

25.

Fill-in the blank: A person gets sunburned due to ______________ from the sun.

a)

Conduction

b)

Convection

c)

Radiation

26.

In heat transfer, heat always moves from the ________ object to the ________ object.

a)

Hotter/Colder

b)

Colder/Colder

c)

Colder/Hotter

27.

Boiling Water

a)

Conduction

b)

Convection

c)

Radiation

28.

Curling Iron

a)

Conduction

b)

Convection

c)

Radiation

29.

Sun Bathing

a)

Conduction

b)

Convection

c)

Radiation

30.

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

a)

conduction

b)

convection

c)

radiation

31.

A snowman melting in the sun

a)

Conduction

b)

Convection

c)

Radiation

32.
When you touch a cold window, how is energy being transferred?
a)
The window transfers heat to you 
b)
You transfer heat to the window
c)
The sun transfers heat to you
d)
None of the above
33.

Warming hands over a fire

a)

Conduction

b)

Convection

c)

Radiation

34.

Ice melting on a hot plate

a)

Conduction

b)

Convection

c)

Radiation

35.
Laura bruised her knee.  She applied an ice pack to the bruised area.  When she removed the ice pack from the injured knee, she noticed that the temperature of her skin was lower than the rest of her body.  What is the most likely reason this occurred?
a)
Increased blood flow due tothe ice pack caused the skin to be cooler
b)
The cooling energy of the ice pack was transferred to the skin.
c)
Heat energy from the skin was transferred to the ice pack.
d)
The air surrounding the ice pack cooled the skin.
36.

Boiling water

a)

Conduction

b)

Convection

c)

Radiation

37.

Hot air blowing from a heater

a)

Conduction

b)

Convection

c)

Radiation

38.

The movement of heat by direct contact or touch

a)

Conduction

b)

Convection

c)

Radiation

39.

The movement of heat through a fluid

a)

Conduction

b)

Convection

c)

Radiation

40.

The movement of heat through empty space (electromagnetic waves)

a)

Conduction

b)

Convection

c)

Radiation

41.

A material that moves heat well or quickly

a)

Conductor

b)

Insulator

42.

A material that does NOT move heat well or quickly

a)

Conductor

b)

Insulator

43.

An example of a conductor (check all)

a)

Silver

b)

Air

c)

Paper

d)

Copper

44.

An example of an insulator (select all)

a)

Paper

b)

Cotton

c)

Gold

d)

Air

45.

Hot molecules move...

a)

Slowly

b)

Quickly

46.

Cold molecules move...

a)

Slowly

b)

Quickly

47.

The energy when molecules are in motion is called

a)

Kinetic Energy

b)

Potential Energy

c)

Thermal Energy

48.

Stored energy is called

a)

Kinetic energy

b)

Potential Energy

c)

Thermal energy

49.
The transfer of heat in the atmosphere by winds that circulate between the equator and the poles is an example of
a)
radiation
b)
insulation
c)
convection
d)
conduction
50.

Temperature measures

a)

Heat

b)

Energy

c)

Density

d)

Volume

51.

When kinetic energy increases, the temperature of the substance _____

a)

Decreases

b)

Increases

c)

Stays the same

52.

Temperature is measured by a device called ____________

a)

Stick

b)

Thermometer

c)

Clinical thermometer

d)

Laboratory thermometer

53.

The materials which allow heat to pass through them easily are called___________

a)

Conductors

b)

Insulators

c)

Heat

d)

Radiation

54.
To measure the temperature difference between two cups of water, you would use a _____.
a)
measuring cup
b)
ruler
c)
thermometer
d)
balance scale
55.

Heat always flows

a)

FROM A COLDER OBJECT TO HOTTER OBJECT

b)

FROM A HOTTER OBJECT TO COLDER OBJECT

c)

BOTH THE WAYS

d)

NONE OF THESE

56.

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

a)

Convection

b)

Conduction

c)

Radiation

d)

The fur sweater he's wearing!

57.

A certain type of decorative 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

58.

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

59.
Heat is the movement of ______.
a)
radiation
b)
thermal energy
c)
cold
d)
fire
60.

Which of the following examples represents Conduction?

a)

A person holding a hot cup of coffee

b)

The sun heating the sidewalk

c)

A person warming their hands above a fire

61.

______________ is the mode of heat transfer in liquids and gases

a)

Conduction

b)

Radiation

c)

Convection

62.

Material that slows down the process of heat transfer

Ex: The wool sock

a)

Heat

b)

Insulator

c)

Radiation

d)

Heat Temperature

63.

Material that allows heat to transfer easily

Ex: Metal Spoon

a)

Radiation

b)

Convection

c)

Conductor

d)

Temperature

64.

_Measurement  of average kinetic energy (energy of motion)

Ex: The hotter something is, the faster the molecules move

a)

Temperature

b)

Heat

c)

Condcution

d)

Insulator

65.

Transfer of thermal energy 

(heat always moves from hot to cold)

Ex: Hot to Cold

a)

Temperature

b)

Heat Conductor

c)

Conduction

d)

Heat

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