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What is heat?

Total questions: 49

Worksheet time: 39mins

Name
Class
Date
1.

Is energy that flows from something warm to something cool

a)

air

b)

Thermal energy

c)

vapor

d)

Light energy

2.

To transfer to thermal energy between matter or different temperatures is called ______________.

a)

air

b)

heat

c)

water

d)

matter

3.

__________________ is present whenever there is heat.

a)

Energy

b)

matter

c)

water

d)

any of them

4.

A ________________ is anything that gives off energy that particles of matter can take in.

a)

the sun

b)

water

c)

convection

d)

heat source

5.

________________ is the transfer of heat that occurs when one thing touch another one.

a)

conduction

b)

convection

c)

radiation

6.

Mark two examples of conduction.

a)

putting your warm face in the fresh pillow

b)

a bird warming its eggs in a nest

c)

placing ice in a glass

d)

pouring water to the flowers

7.

________________ is the transfer of thermal energy as matter moves. In convection, a gas or a liquid moves from place to place.

a)

conduction

b)

convection

c)

radiation

d)

thermal energy

8.

___________ is energy that is sent out in waves.

a)

convection

b)

radiation

c)

conduction

d)

heat

9.

Mark two examples of radiation energy.

a)

the refrigerator

b)

the microwave

c)

the sun

d)

a guitar

10.

______________ occurs when two surfaces rub together.

a)

convection

b)

friction

c)

radiation

d)

thermal

11.

Mark two examples of friction

a)

rubbing your hands in a cold day

b)

playing the drum

c)

when a person skates on ice

d)

clapping

12.

Which of the following is NOT a heat source?

a)
b)
c)
d)
13.
Heat is a form of _______________.  
a)
movement
b)
energy
c)
melting
14.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
15.
Walking on the warm sand sand with your bare feet.
a)
conduction
b)
convection
c)
radiation
16.
Warm air rises and the cool air sinks.
a)
conduction
b)
convection
c)
radiation
17.

Near the ceiling of a room the air is warmer. The warm air rises because of

a)

conduction

b)

convection

c)

radiation

18.
a)

Conduction

b)

Convection

c)

Radiation

19.

What source of heat represent the picture?

a)

Sun

b)

Electricity

c)

Burning Fuels

d)

Friction

20.

How do heat flow?

a)

Heat flow from cold region to hot region.

b)

Heat flow from hot region to cold region.

c)

Heat flow from hot region to hot region.

21.

Heat energy can be transferred.

a)

True

b)

False

22.

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of ________.

a)

convection

b)

radiation

c)

conduction

23.
If an object has particles that are moving very quickly, the object 's temperature is probably _____.
a)
cold
b)
slow
c)
big
d)
hot
24.

A metal spoon in ice cream also gets cold due to

a)

Radiation

b)

Convection

c)

Conduction

d)

Magic

25.

What is heat transfer by movement of liquids or gases?

a)

Radiation

b)

Convection

c)

Conduction

d)

Heat

26.

Which heat transfer explains formation of sea breeze during the day?

a)

Radiation

b)

Convection

c)

Conduction

d)

Insulation

27.

How does the sun transfer its energy?

a)

Radiation

b)

Convection

c)

Conduction

d)

Insulation

28.

What type of heat source warms up your hands when rubbing them together?

a)

Sun

b)

Electric

c)

Chemical Reaction

d)

Friction

29.
Thermal energy ALWAYS moves from _____ to _____.
a)
solid to liquid
b)
ice to water
c)
hot to cold
d)
solid to gas
30.

Boiling Water

a)

Conduction

b)

Convection

c)

Radiation

31.

Curling Iron

a)

Conduction

b)

Convection

c)

Radiation

32.

What is a transfer of heat energy by waves?

a)
Radiation
b)
Convection
c)
Conduction
d)
Heat
33.
What is the transfer of heat by movement of liquids or gases?
a)
Radiation
b)
Convection
c)
Conduction
d)
Heat
34.

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

a)

conduction

b)

convection

c)

radiation

35.

Which is an example of heat being transferred by conduction?

a)

a furnace heating the air in a school

b)

an ice cube melting in a person's hand

c)

a pot of water on a stove boiling

d)

the sun heating water in a swimming pool

36.

How many different types of heat transfer exist?

a)

1

b)

2

c)

3

d)

4 or more

37.

Heat is the transfer of _____ from one object to another due to a difference in temperature.

a)

Time

b)

Force

c)

Energy

d)

Velocity

38.

The man's hand will immediately receive heat from the metal as the candle gradually warms it. That is called____?

a)

Conduction

b)

Convection

c)

Radiation

39.

What type of heat transfer causes a hot air balloon to rise?

a)

radiation

b)

convection

c)

gravity

d)

conduction

40.

What type of heat transfer occurs when water is boiling?

a)

convection

b)

radiation

c)

conduction

d)

force

41.

What type of heat transfer occurs when the sun melts ice cream?

a)

conduction

b)

inertia

c)

radiation

d)

convection

42.

What type of heat transfer occurs when you cook food in a microwave?

a)

conduction

b)

convection

c)

radiation

d)

magic

43.

Convection is...

a)

when heat is transferred through direct contact.

b)

when heat is transferred from a far away heat source.

c)

when heat is transferred through cycling of air/water.

d)

when heat moves all the time.

44.

Friction produces heat energy.

a)

True

b)

False

45.

Fossil Fuels are a source of heat. Which of the following are examples of fossil fuels?

a)

Plutonium and uranium

b)

dinosaur bones

c)

wood and plant material

d)

coal, natural gas, and oil

46.
what is conduction?
a)
direct touch
b)
air or liquids
c)
heat waves/ light waves
d)
drinking hot coffee
47.

Movement of energy from one object to another.

a)

Heat

b)

Energy Transfer

c)

Themal Energy

d)

Temperature

48.

You get sunburned due to __________ from the sun.

a)

conduction

b)

convection

c)

radiation

49.

The movement of energy from one object to another.

a)

Energy

b)

Convection

c)

Radiation

d)

Heat

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