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Conservation Of Energy, Heat Transfer, And Natural Resources Review Part 3
Test Description: Unit 5/6 Test review
Instructions: Answer all questions to get your test result.
1) Your family is on a camping trip in the Rocky Mountains in November. Since it is cold at night you take an electric space heater to heat the camper. What energy transformation is occurring?
A
Electrical to sound
B
Thermal to sound
C
Light to thermal
D
Electrical to light to thermal
2) Microwave: thermal energy :: hand dryer:
A
Sound
B
Mechanical
C
Light
D
Nuclear
3) Television: Light energy :: Lawn mower:
A
Sound
B
Light
C
Nuclear
D
Mechanical
4) What is the energy transformation in an electric can opener?
A
Mechanical to electric
B
Electric to mechanical
C
Mechanical to thermal
D
Electric to sound
5) On your way to the Rocky Mountains you want to listen to Justin Bieber but seriously NO ONE ELSE does You get out your mp3 player and use your headphones. What energy transformations are taking place?
A
chemical to electrical to sound
B
Mechanical to electrical
C
Electrical to mechanic al
D
electrical to radiant
6) What is radiation?
A
A way to make a super hero.
B
Heat transfer due to touch.
C
Heat transfer due to fluid movement.
D
Heat transfer that does not require matter, it moves in waves
7) What is convection?
A
When you make conversation.
B
Heat transfer due to fluid movement.
C
Heat transfer that does not require matter, it moves in waves
D
Heat transfer due to touch.
8) What is conduction
A
Heat transfer due to fluid movement.
B
Heat transfer that does not require matter, it moves in waves
C
Heat transfer due to touch.
D
When someone is leading the band.
9) How does thermal energy move?
A
from hot to cold
B
it just does
C
it doesn't
D
from cold to hot
10) What happens to molecules during conduction?
A
The warmer molecules are moving fast this bumps into the slower molecules. This makes them move faster which makes them warm.
B
The slower molecules are moving slow and bumps into the fast molecules. This makes them move slower which makes them cold.
C
Warm air rises and pushes the cold air down to get heated.
D
A band director leads the band through a song.
*select an answer for all questions
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