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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 CElectrical to light to thermal DLight to thermal

2) Microwave: thermal energy :: hand dryer:

ANuclear BMechanical CSound DLight

3) Television: Light energy :: Lawn mower:

ALight BNuclear CSound DMechanical

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

AElectric to mechanical BElectric to sound CMechanical to electric DMechanical 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?

Aelectrical to radiant Bchemical to electrical to sound CMechanical to electrical DElectrical to mechanic al

6) What is radiation?

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

7) What is convection?

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

8) What is conduction

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

9) How does thermal energy move?

Afrom cold to hot Bit just does Cfrom hot to cold Dit doesn't

10) What happens to molecules during conduction?

AThe slower molecules are moving slow and bumps into the fast molecules. This makes them move slower which makes them cold. BThe warmer molecules are moving fast this bumps into the slower molecules. This makes them move faster which makes them warm. 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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