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WorksheetsChapter 6 8th Grade Science Thermal Energy Putman
Total questions: 12
Worksheet time: 8mins
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
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