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Energy stores and thermal transfers

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.
dark colored surfaces _________ radiation
a)
reflect 
b)
absorb
2.

Heat transfer always moves ...

a)

cold to hot

b)

east to west

c)

hot to cold

d)

north to south

3.
Which direction is heat flowing in the picture?
a)
from the hand to the ice
b)
from the ice to the hand
c)
heat is not being transferred
d)
there is no way to tell
4.
The earth receives heat energy from the sun by _______________, which is the transfer of energy as electromagnetic waves?
a)
radiation
b)
convection
c)
conduction
d)
greenhouse effect
5.
The transfer of heat energy by direct contact, or touch, is __________________?
a)
radiation
b)
convection
c)
conduction
d)
greenhouse effect
6.
Rising warm air currents is an example of?
a)
Radiation
b)
Conduction
c)
Convection
7.
What is the definition of CONVECTION
a)
When heat transfers through waves.
b)
When heat transfers from objects that are touching.
c)
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
d)
Heat traveling from the sun
8.
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.
9.

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

a)

conduction

b)

convection

c)

radiation

10.
Which is NOT an insulator.
a)
Wool
b)
Plastic
c)
Copper
d)
Glass
11.
Is Wood a conductor or Insulator?
a)
Conductor
b)
Insulator
12.
A great conductor of energy is:
a)
wood
b)
plastic
c)
metal
d)
cloth
13.

Which of the following is not a store of energy?

a)

friction

b)

magnetic

c)

electrostatic

d)

nuclear

14.

What sort of heat transfer has allowed this image to be formed?

a)

conduction

b)

convection

c)

radiation

15.

People sometimes put foil behind radiators...

a)

...to reflect the infrared radiation back into the room

b)

...because who wouldn't want a bit of bling behind their radiator?

c)

..to absorb the dissipated heat

d)

...to stop the walls getting damaged by the heat

16.

A hot drink has...

a)

Kinetic Energy

b)

Heat Energy

c)

Thermal Energy

d)

Nuclear Energy

17.

Energy stored in objects being stretched or squashed...

a)

Elastic Potential Energy

b)

Kinetic Energy

c)

Chemical Energy

d)

Thermal Energy

18.

The energy going into an energy transfer is always equal to the energy coming out. True or False?

a)

True

b)

False

19.
"Stored energy" is another way of describing what energy type?
a)
Potential
b)
Electrical
c)
Kinetic
d)
Mechanical
20.
What form of energy is also described as "energy of motion"?
a)
Potential
b)
Mechanical
c)
Kinetic
d)
Electrical