Conservation of Energy
Assessment
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Marisol Pitre
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Science
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8th Grade
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504 plays
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Medium
Student preview
10 questions
Show answers
1.
Multiple Choice
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
According to the law of conservation of energy, energy can be created or destroyed.
True
False
3.
Multiple Choice
In every energy transformation, some energy is always “lost” as ____ energy.
Chemical
Radiant
Electrical
Thermal
4.
Multiple Choice
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
Work _____ energy.
reduces
reflects
transfers
stops
6.
Multiple Choice
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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