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WorksheetsThermal Energy
Total questions: 29
Worksheet time: 21mins
Name
Class
Date
1.
A material that reduces the flow of heat by conduction, convection, and radiation is ____.
a)
a conductor
b)
an insulator
c)
a solar collector
d)
condensation
2.
The transfer of energy that does NOT require matter is ____.
a)
convection
b)
radiation
c)
conduction
d)
combustion
3.
The process by which engine fuels burn is called ____.
a)
combustion
b)
convection
c)
condensation
d)
conduction
4.
Gasoline engines and diesel engines are ____.
a)
heat movers
b)
external combustion engines
c)
insulators
d)
internal combustion engines
5.
A device that converts thermal energy into mechanical energy is a ____.
a)
heat mover
b)
refrigerator
c)
heat engine
d)
conductor
6.
Through which of the following will convection most likely occur?
a)
liquids and gases
b)
solids and liquids
c)
solids
d)
solids and gases
7.
Which of the following would be the best insulator?
a)
air
b)
copper
c)
silver
d)
aluminum
8.
Energy from the Sun travels to Earth as ____.
a)
mechanical energy
b)
combustion
c)
radiant energy
d)
chemical energy
9.
All of the following are good conductors of heat EXCEPT ____.
a)
air
b)
copper
c)
silver
d)
aluminum
10.
Liquids and gases are different from solids because they _____.
a)
conduct
b)
insulate
c)
flow
d)
have thermal energy
11.
_______ is the total energy of the molecules in a material.
a)
energy
b)
Thermal energy
c)
conduction
d)
convection
12.
Specific heat is the amount of _____required to raise the temperature of 1 kg of a material 1 K
a)
thermal energy
b)
mechanical energy
c)
electrical energy
d)
energy
13.
Conduction is heat transfer by -
a)
Touch
b)
Circles
c)
Waves
14.
Convection is heat transfer by-
a)
Touch an object
b)
The heating and cooling of a fluid
c)
Electromagnetic Waves
15.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
16.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
17.
The sun warming your skin is an example of heat transfer through
a)
conduction
b)
convection
c)
radiation
d)
thermal electricity
18.
Heat transfer through electromagnetic waves is called
a)
conduction
b)
convection
c)
radiaton
d)
thermal
19.
Which is more dense?
a)
Hot Liquid
b)
Cold Liquid
20.
Heat transfer always goes from-
a)
Cold to Hot
b)
Hot to Cold
c)
Heat doesn't transfer
d)
Freezing to Cold
21.
What happens to particles as they heat up?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
22.
Conduction, Convection and Radiation are three types of...
a)
Electrical energy
b)
Thermal Energy
c)
Chemical Energy
d)
Sound Energy
23.
If two objects or containers have the same temperature, ____________.
a)
they have the same average kinetic energy.
b)
they have equal thermal energies
c)
will change temperatures at the same rate
24.
In which state does water have the lowest average kinetic energy?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
25.
A great conductor of energy is:
a)
wood
b)
plastic
c)
metal
d)
cloth
26.
If I keep mass the same, but increase the volume, then density goes down.
a)
True
b)
False
27.
This is an example of _________ energy.
a)
Radiation
b)
Convection
c)
Conduction
28.
Which box has a higher density?
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
29.
True or False: The density of a specific type of material never changes.
a)
True
b)
False
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