Y9 Energy Concepts and Terminology

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Renewable energy

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Energy that can be replaced by a natural process e.g. wind

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Non-renewable energy

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Energy that cannot be replaced by a natural process

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Energy source

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A substance that can provide energy

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Energy

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The ability to do work

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Joule

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The unit for energy. Symbolized by J

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Active energy

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A form of energy where particles of objects move

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Stored energy

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Energy that can only be detected when it is transformed into active energy

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Light energy

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A form of electromagnetic radiation

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Heat

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The flow of energy from a warm object to a colder object

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Electrical energy

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Energy resulting from the flow of electricity