Law of Conservation of Energy

When something is dropped, what type of energy transfer takes place?

• Kinetic -> Potential

• Gravitational Potential -> Kinetic -> Sound

• Electrical -> Chemical

• Heat -> Nuclear

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Food has _______ potential energy that our bodies transform into kinetic energy.

• Elastic

• Nuclear 

• Gravitational

• Chemical

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NGSS.HS-PS1-5

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

• remains constant

• changes constantly

• increases

• decreases

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

• True

• False

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NGSS.HS-PS3-2

Energy can't be _____.

• transformed

• converted

• made or created

• harnessed or produced

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

• Chemical

• Radiant

• Electrical

• Thermal

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NGSS.HS-PS3-4

Work _____ energy.

• reduces

• reflects

• transfers

• stops

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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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NGSS.HS-PS3-2

When a football player kicks a ball, he transfers energy to the ball. What happens as a result?

• the ball gains kinetic energy

• the ball loses thermal energy

• the ball loses sound energy

• the ball gains light energy

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NGSS.MS-PS3-1

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Energy can not be created nor destroyed.

• Newton's Laws of Motion

• Big Bang Theory

• The Law of Conservation of Momentum

• The Law of Conservation of Energy

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NGSS.HS-PS1-4

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NGSS.HS-PS3-1

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