Conservation Of Energy, Heat Transfer, And Natural Resources Review Part 3 Question Preview (ID: 34341)
Unit 5/6 Test Review.
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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 light to thermal
b) Electrical to sound
c) Thermal to sound
d) Light to thermal
Microwave: thermal energy :: hand dryer:
a) Sound
b) Nuclear
c) Mechanical
d) Light
Television: Light energy :: Lawn mower:
a) Sound
b) Nuclear
c) Mechanical
d) Light
What is the energy transformation in an electric can opener?
a) Electric to mechanical
b) Electric to sound
c) Mechanical to electric
d) Mechanical to thermal
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) electrical to radiant
c) Electrical to mechanic al
d) Mechanical to electrical
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
What is convection?
a) When you make conversation.
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
What is conduction
a) When someone is leading the band.
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
How does thermal energy move?
a) from hot to cold
b) from cold to hot
c) it doesn't
d) it just does
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.
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