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Types of Energy These are the two main types of energy: Kinetic: energy in motion Potential: stored energy The following forms of energy can be grouped into those two types. Heat (Thermal Energy): internal motion of molecules. Ex. water boiling, turning to steam. Mechanical: energy from motion and moving parts. Ex. bicycle while moving. Electrical: energy from an electric current. Ex. a burner on an electric stove. Sound: energy through sound vibrations. Ex. musical instruments. Light: also known as Electromagnetic. Energy through light waves Ex. photosynthesis in plants. Chemical: stored energy. Ex. gasoline, food. Gravitational: motion from the pull of gravity. Greater when closer to centre of earth. Ex. waterfall. Elastic: energy stored in a spring or elastic band (anything with tension). Ex. elastic band. Magnetic: energy of attraction between objects. Ex. compass. Nuclear: energy released from split or fused together nuclei. Ex. the Sun.