Energy - That which is needed to do work., Law of Conservation of Energy - Energy cannot be created or destroyed., Chemical Energy - Energy stored in the bonds of chemical compounds, like atoms and molecules. This energy is released when a chemical reaction takes place., Electrical Energy - Caused by moving electric charges called electrons., Light Energy - Energy transmitted through space in the form of electromagnetic waves., Mechanical Energy - The energy stored in moving objects., Nuclear Energy - The nucleus of an atom is the source of this energy., Sound Energy - The movement of energy through a substance – like air or water – and is caused by vibrations., Thermal Energy  - Produced when a rise in temperature causes atoms and molecules to move faster and collide with each other.,

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