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Published byBasil Anthony Modified over 8 years ago
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Forms of Energy
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Energy What is needed to do or cause change
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Mechanical Energy Energy produced by a machine or moving part
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Light Energy A form of energy that can travel through space and be seen by the human eye
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Sound Energy Energy produced from a vibration that you can hear
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Electrical Energy A flow of electrical charge through a conductor
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Thermal Energy Energy that causes a transfer of heat between materials
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Light
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Reflection Energy waves bouncing off the surface of an object (Mirrors or echoes return energy back to the source.)
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Refraction Energy waves that bend (change direction and speed) as they pass from one type of object to another
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Lens A clear piece of curved glass or plastic that bends passing light to focus or spread the light rays
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Circuits
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Electric Circuit The pathway through which electrical current flows
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Conductor Material that allows electric current to flow through easily
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Insulator Material that stops current from flowing
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Flow To move or travel smoothly in a certain direction
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Electric Current The flow of electricity around a circuit
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