Energy Transformation Quiz

What is the law of conservation of energy?

• Energy can be created and destroyed.

• Energy cannot be created or destroyed, only transformed.

• Energy is always lost in transformations.

• Energy can only be created, not destroyed.

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NGSS.HS-PS3-3

Which of the following is an example of energy transformation?

• A book sitting on a table.

• A car engine converting gasoline into motion.

• A rock on the ground.

• A glass of water at rest.

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NGSS.MS-PS3-5

Describe what happens to energy when you turn on a light bulb.

• Electrical energy is destroyed.

• Electrical energy is transformed into radiant and thermal energy.

• Radiant energy is transformed into electrical energy.

• Thermal energy is created from nothing.

Explain why a roller coaster at the top of a hill has potential energy.

• Because it is moving fast.

• Because it is at a height and has the potential to move.

• Because it is at rest.

• Because it is on a flat surface.

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NGSS.MS-PS3-2

A battery is used to power a flashlight. What type of energy transformation occurs?

• Chemical energy to electrical energy to radiant energy.

• Radiant energy to chemical energy to electrical energy.

• Electrical energy to chemical energy to radiant energy.

• Chemical energy to radiant energy to electrical energy.

How does the energy transformation in a hydroelectric dam demonstrate the law of conservation of energy?

• Water energy is created from nothing.

• Most of the water energy is transformed into electrical energy but some of the water energy is destroyed.

• Water energy is transformed into electrical energy, demonstrating energy is not created or destroyed.

• Electrical energy is destroyed in the process.

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NGSS.MS-PS3-5

Which statement best describes the transformation of energy in a wind turbine?

• Wind energy is destroyed to produce electricity.

• Wind energy is transformed into electrical energy.

• Electrical energy is transformed into wind energy.

• Wind energy is transformed into nuclear energy.

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NGSS.MS-PS3-5

A pendulum swings back and forth. At its highest point, what type of energy is at its maximum?

• Kinetic energy.

• Potential energy.

• Thermal energy.

• Sound energy.

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NGSS.MS-PS3-2

What happens to the kinetic energy of a car as it comes to a stop?

• It is destroyed.

• It is transformed into electrical energy.

• It is transformed into thermal energy due to friction.

• It remains the same.

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NGSS.MS-PS3-5

Which of the following scenarios best illustrates the transformation of potential energy into kinetic energy?

• A car parked on a hill.

• A ball rolling down a hill.

• A book on a shelf.

• A light bulb turned off.

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NGSS.MS-PS3-2

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NGSS.MS-PS3-5