Energy

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What is mechanical kinetic energy?

Back

Mechanical kinetic energy is the energy possessed by an object due to its motion. An example is mowing the lawn.

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Which of the following is not an example of sound energy?

Back

A lamp that is not turned on is not an example of sound energy.

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What is the energy transformation in a television?

Back

Electrical energy is transformed into radiant energy (light) and sound energy.

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What is energy?

Back

Energy is the ability to do work or cause change.

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What does the Law of Conservation of Energy state?

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The Law of Conservation of Energy states that energy cannot be created or destroyed, but it can change forms.

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What is potential energy?

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Potential energy is the stored energy in an object due to its position or state, such as a rock at the top of a hill.

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What is sound energy?

Back

Sound energy is the energy produced by vibrating sound waves, such as music or speech.

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What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons, commonly used to power devices.

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What is radiant energy?

Back

Radiant energy is the energy of electromagnetic waves, including light.

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What is an example of energy transformation?

Back

When a battery-powered toy moves, chemical energy in the battery is transformed into mechanical kinetic energy.

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