Energy 1 (Activate Y7) - Glossary Flashcard

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Chemical Energy Store

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Emptied during chemical reactions when energy is transferred to surroundings, for example when you burn a fuel.

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Dissipation (Dissipated)

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Becoming spread out wastefully.

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Elastic Energy Store

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Filled when a material is stretched or compressed, for example when you stretch a spring.

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Energy

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Energy is needed to make things happen.

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Energy Resource

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Something with stored energy that can be released in a useful way.

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Fossil Fuel

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Non-renewable energy resources formed over millions of years from the remains of ancient plants or animals. Examples are coal, crude oil, and natural gas.

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Gravitational Potential Energy Store

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Filled when an object is raised, for example when climbing a ladder.

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Joule

Back

The unit of energy, symbol J.

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Kilojoule

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A unit of energy equal to 1000 J, symbol kJ.

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Kilowatt

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A unit of power equal to 1000 W, symbol kW.