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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?

AElectrical to sound BThermal to sound CLight to thermal DElectrical to light to thermal

2) Microwave: thermal energy :: hand dryer:

ASound BMechanical CLight DNuclear

3) Television: Light energy :: Lawn mower:

ASound BLight CNuclear DMechanical

4) What is the energy transformation in an electric can opener?

AMechanical to electric BElectric to mechanical CMechanical to thermal DElectric 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?

Achemical to electrical to sound BMechanical to electrical CElectrical to mechanic al Delectrical to radiant

6) What is radiation?

AA way to make a super hero. BHeat transfer due to touch. CHeat transfer due to fluid movement. DHeat transfer that does not require matter, it moves in waves

7) What is convection?

AWhen you make conversation. BHeat transfer due to fluid movement. CHeat transfer that does not require matter, it moves in waves DHeat transfer due to touch.

8) What is conduction

AHeat transfer due to fluid movement. BHeat transfer that does not require matter, it moves in waves CHeat transfer due to touch. DWhen someone is leading the band.

9) How does thermal energy move?

Afrom hot to cold Bit just does Cit doesn't Dfrom cold to hot

10) What happens to molecules during conduction?

AThe warmer molecules are moving fast this bumps into the slower molecules. This makes them move faster which makes them warm. BThe slower molecules are moving slow and bumps into the fast molecules. This makes them move slower which makes them cold. CWarm air rises and pushes the cold air down to get heated. DA band director leads the band through a song.

*select an answer for all questions

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