Thermal Energy

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Thermal Energy

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The total energy of moving molecules in a substance.

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Temperature

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A measure of how fast molecules are moving (their average kinetic energy).

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Heat Transfer

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When thermal energy moves from a hotter object to a cooler one.

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Kinetic Energy

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Energy of movement—faster movement = more kinetic energy.

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Energy Transfer

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When energy moves from one object to another without being created or destroyed.

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Contact

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When two things touch, allowing heat to transfer between them.