Energy - That which is needed to do work., Kinetic Energy - Energy due to motion, Potential Energy - Stored Energy, Chemical Energy - Energy stored in chemical bonds (usually food or fuel), Electrical Energy - Caused by moving electric charges called electrons., Radiant Energy - Energy produced by light in the form of electromagnetic waves., Mechanical Energy - The energy stored in moving objects and interactions, Nuclear Energy - Energy stored in the nucleus of an atom , Sound Energy - The movement of energy through a substance – like air or water – and is caused by vibrations., Thermal Energy  - Energy produced by heat, Gravitational Potential Energy - Energy stored by the gravity between an object and Earth, Elastic Potential Energy - Energy stored in objects that are compressed or stretched,

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