Energy Concepts

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Energy

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The ability to cause change or do work.

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Energy Transfer

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Movement of energy from one object or system to another (e.g., hot water warming a spoon).

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Energy Transformation

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A change from one form of energy to another (e.g., chemical to electrical).

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Power Grid

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A network that delivers electricity from producers to consumers across large areas.

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Power Plant

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A facility where energy is transformed into electrical energy for distribution.

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Electrical Energy

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Energy caused by the movement of electrons through a conductor.

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Thermal Energy

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The total energy of particles in a substance; related to temperature.

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Kinetic Energy

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Energy of motion; depends on mass and speed.

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Potential Energy

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Stored energy due to position or condition (e.g., a stretched rubber band).

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Conduction

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Transfer of thermal energy through direct contact between materials.