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What is energy?

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Energy is the ability to do work or cause change. It exists in various forms, such as thermal, chemical, and mechanical.

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What is thermal energy?

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Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of particles in an object.

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What is chemical energy?

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Chemical energy is the energy stored in the bonds of chemical compounds, like atoms and molecules. It is released or absorbed during a chemical reaction.

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What is sound energy?

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Sound energy is the energy produced when an object vibrates, creating sound waves that travel through air, water, or solids.

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What is mechanical energy?

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Mechanical energy is the sum of potential energy and kinetic energy in an object. It is the energy associated with the motion and position of an object.

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What is light energy?

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Light energy is a form of electromagnetic radiation that is visible to the human eye. It is produced by sources like the sun and light bulbs.

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What is refraction?

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Refraction is the bending of light as it passes from one medium to another, such as from air to water.

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What is absorption in terms of energy?

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Absorption is the process by which an object takes in energy, such as light or sound, rather than reflecting or transmitting it.

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NGSS.MS-PS4-2

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What color absorbs the most heat?

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Black absorbs the most heat because it absorbs all wavelengths of light.

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What is an example of mechanical energy?

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A moving car has mechanical energy due to its motion and position.

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