Conservation of Energy

Conservation of Energy

Assessment

Assessment

Created by

Marisol Pitre

Science

8th Grade

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10 questions

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1.

Multiple Choice

30 sec

1 pt

When you put on the brakes of a bicycle, friction causes some of the mechanical energy to transfer to thermal energy.

True

False

2.

Multiple Choice

30 sec

1 pt

According to the law of conservation of energy, energy can be created or destroyed.

True

False

3.

Multiple Choice

30 sec

1 pt

In every energy transformation, some energy is always “lost” as ____ energy.

Chemical

Radiant

Electrical

Thermal

4.

Multiple Choice

30 sec

1 pt

According to the law of conservation of energy, the total amount of energy in the universe ____.

remains constant

changes constantly

increases

decreases

5.

Multiple Choice

30 sec

1 pt

Work _____ energy.

reduces

reflects

transfers

stops

6.

Multiple Choice

30 sec

1 pt

Which equation is correct?

mechanical energy = kinetic energy – potential energy

mechanical energy = potential energy – kinetic energy

mechanical energy = kinetic energy + potential energy

mechanical energy = kinetic energy × potential energy

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