Space and Energy

Front

What is Mechanical Energy?

Back

Mechanical Energy is the energy that an object has due to its motion or position. For example, when you turn the handle of a pencil sharpener, you are using mechanical energy.

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What is Energy?

Back

Energy is what is needed to do work or cause change. It can come in different forms, such as light, heat, or movement.

Front

Does the sun revolve around the Earth?

Back

No, the sun does not revolve around the Earth. The Earth revolves around the sun.

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What is Light Energy?

Back

Light Energy is energy that comes from the sun or other sources that can be seen by the eye. It helps us see things.

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What is Thermal Energy?

Back

Thermal Energy is the energy that comes from heat. For example, when you heat water, it gains thermal energy.

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What is Potential Energy?

Back

Potential Energy is the energy stored in an object due to its position. For example, a ball held high has potential energy.

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What is Nuclear Energy?

Back

Nuclear Energy is the energy stored in the nucleus of an atom. It can be released during nuclear reactions.

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What is Sound Energy?

Back

Sound Energy is the energy that comes from vibrations that travel through the air or another medium. For example, when you play a musical instrument, it produces sound energy.

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What is the source of Light Energy?

Back

The main source of light energy is the sun, but it can also come from light bulbs and fire.

Front

What is an example of Mechanical Energy in everyday life?

Back

An example of mechanical energy is riding a bicycle. The movement of the bike and the rider is mechanical energy.