Energy Unit Review

The law of conservation of energy states that when one form of energy is transformed into another, energy is:

• Not created or destroyed
• Destroyed
• Created
• Turned in to Peanut Butter

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NGSS.MS-PS3-5

The energy that comes from the splitting of a nucleus of an atom is ___________?

• Nuclear energy
• Fusion Energy
• Chemical Energy
• Mechanical Energy

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NGSS.HS-PS1-8

Energy due to the motion and position of an object is:

• Mechanical Energy
• Heat Energy
• Kinetic Energy
• Potential Energy

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NGSS.MS-PS3-5

Suppose three people were going sledding. What is one way to increase their potential energy?

• Wax the runners on the Wax the runners on the sled.
• Pull faster
• Find a taller hill
• Wait until the snow is deeper.

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NGSS.MS-PS3-2

A battery is added to a circuit to make a light bulb light. What two types of energy are being used?

• Chemical and electrical
• Thermal and solar
• Mechanical and chemical
• Electrical and kinetic

Animals use energy from food to move. What type of energy transformation is occurring?

• Mechanical to chemical
• Chemical to mechanical
• Heat to mechanical
• Thermal to mechanical

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NGSS.MS-LS1-7

When water behind a dam flows through and turns a generator, what change takes place?

• Heat energy is transformed into mechanical energy

• Sound energy changes into electrical energy

• Chemical energy is used to produce electricity

• Mechanical energy is used to produce electrical energy.

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NGSS.HS-PS3-3

Which of the following is an example of kinetic energy?

• a swimmer standing on a diving board
• a plate on the edge of a counter
• firewood stacked in a fireplace
• a child jumping rope

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NGSS.MS-PS3-5

Light is an example of what kind of energy?

• Gravitational potential energy
• Nuclear energy
• Chemical energy
• electromagnetic energy

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When a ceiling fan is being used, one energy transformation that takes place is

• electrical to chemical
• mechanical to electrical
• chemical to electrical
• electrical to mechanical