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Energy Vocabulary

TermDefinition
Potential Energy Energy that is stored.
Kinetic Energy Energy of motion.
Chemical Energy Stored in chemical bonds holding the atoms of compounds together. Ex: Food, wood, batteries.
Electrical Energy Energy of moving electrons. Ex: Hydroelectric dam or power lines.
Mechanical Energy Involved with moving objects. Ex: When we move or work we use mechanical energy.
Radiant/Light Energy Energy created by vibrating particles that create electromagnetic waves. Ex: UV Rays, X-Rays, Radio Waves
Thermal Energy Energy of moving or vibrating molecules. Usually produces heat. Ex: Fire
Nuclear Energy Energy stored in the nuclei of atoms. Ex: Nuclear bombs, fusion, or fission
Temperature Measure of average kinetic energy of all the particles in a sample. Ex: A thermometer.
Thermal Energy The total amount of energy of the particles that make up a substance. Ex: Total amount of energy in an ocean.
Thermal Equilibrium The point at which two objects that touch reach the same energy. Ex: Transfer of heat between two cups of water.
Heat Flow Heat travels from an object of higher temperature to one of lower temperature.
Conduction Transfer of heat energy through direct contact. Ex: Touching a hot kettle.
Convection Transfer of heat energy by the movement of liquid or gas.
Radiation Transfer of heat energy through matter or space as Electromagnetic Waves
Endothermic Reactions Heat energy is absorbed. It feels as though it gets hotter.
Exothermic Reactions Heat energy is released. It feels as though it gets colder.
Created by: Saeglopur
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