Energy_Y8_S1

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Law of Conservation of Energy

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Energy cannot be made or destroyed – it can only change form.

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Kinetic Energy

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The energy of a moving object.

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Potential Energy

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Stored energy that something has because of its position or condition.

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Elastic Potential Energy

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Energy stored in something that can stretch or squash, like a spring or rubber band.

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Gravitational Potential Energy

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Stored energy an object has because it is high up.

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Nuclear Energy

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Energy stored in the centre of atoms; released in nuclear reactions.

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Electrical Energy

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Energy from moving electric charges (electricity).

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Sound Energy

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Energy that travels as vibrations through air, water, or solids.

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Heat (Thermal) Energy

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Energy from the movement of tiny particles in a substance; hotter means more energy.

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Useful Energy

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The energy that does what you want it to do in a device.