Thermal Energy Practice Test

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1. If a substance has more particles, it has_____.


higher temperature
more kelvins
more Centigrade
more thermal energy

2. Heat is ______ energy moving from a warmer to cooler object.


Kelvin
Thermal
work
meters

3. Heat transferred by movement of currents within a fluid.


conduction
convection
ratiation
kelvin

4. Air is a good _______ because it reduces heat transfer.


conductor
insulator
kelvin
mover

5. When substances are heated they __________?


6. A material _________ thermal energy as it freezes.


gains
increases
absorbs
releases

7. At what temperature can no more energy be removed from a substance?


freezing point
absolute zero
0 degrees C
32 degrees F

8. When fuel is burned the process is called ___?


combustion
multiplying force
joules
nuclear

9. The transfer of energy by electromagnetic waves is called


conduction
convection
radiation
condensation

10. Heat transfer occurs


in many directions
from cold to warm object
from warm to cold objects
both from warm to cold and cold to warm

11. Material that does not conduct heat is a/an______.


12. Temperature at which a gas turns into a liquid is called


boiling point
freezing point
melting point
condensation point

13. Vaporization that takes place at the surface is called __________.


14. A steam engine is an example of a


external combustion engine
internal combustion engine
four stroke engine
nuclear

15. Water freezes at 0 degrees on which temperature scale?


Fahrenheit
Celsius
Kelvin
absolute zero

16. Absolute zero is 0 on which scale?


Fahrenheit
Celsius
Kelvin
absolute zero

17. Heated air moves from the floor to the ceiling because of a process called


Conduction
Convection
Radiation
Condensation

18. Which of the following is a good insulator?


wood
metal
silver
glass