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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
Thermal to sound
B
Light to thermal
C
Electrical to light to thermal
D
Electrical to sound
2) Microwave: thermal energy :: hand dryer:
A
Light
B
Nuclear
C
Mechanical
D
Sound
3) Television: Light energy :: Lawn mower:
A
Sound
B
Mechanical
C
Light
D
Nuclear
4) What is the energy transformation in an electric can opener?
A
Electric to sound
B
Mechanical to electric
C
Electric to mechanical
D
Mechanical to thermal
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
Electrical to mechanic al
B
chemical to electrical to sound
C
electrical to radiant
D
Mechanical to electrical
6) What is radiation?
A
Heat transfer that does not require matter, it moves in waves
B
A way to make a super hero.
C
Heat transfer due to touch.
D
Heat transfer due to fluid movement.
7) What is convection?
A
Heat transfer due to fluid movement.
B
Heat transfer due to touch.
C
Heat transfer that does not require matter, it moves in waves
D
When you make conversation.
8) What is conduction
A
Heat transfer due to fluid movement.
B
Heat transfer that does not require matter, it moves in waves
C
When someone is leading the band.
D
Heat transfer due to touch.
9) How does thermal energy move?
A
from hot to cold
B
it doesn't
C
from cold to hot
D
it just does
10) What happens to molecules during conduction?
A
The slower molecules are moving slow and bumps into the fast molecules. This makes them move slower which makes them cold.
B
A band director leads the band through a song.
C
Warm air rises and pushes the cold air down to get heated.
D
The warmer molecules are moving fast this bumps into the slower molecules. This makes them move faster which makes them warm.
*select an answer for all questions
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