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Energy Vocabulary

Forms of Energy

TermDefinition
energy the ability to do work
kinetic energy the energy of motion
potential energy the energy of shape, position, or stored energy
gravitational potential energy the energy due to an object's position above Earth's surface
mechanical energy the total energy of motion and position of an object
thermal energy the total energy of the particles (KE) that make up an object
chemical energy the energy of a compound that changes as it's atoms are rearranged to form new compounds, bonds broken and reformed
electrical energy the energy of moving electrons
sound energy the energy caused by an objects vibrations
light energy the energy produced by the virbrations of electrically charged particles
nuclear energy the energy related to changes inside the nucleus of an atom
Joule the unit for energy and work
energy conversion a change of one form of energy into another
energy efficiency a comparison of the amount of energy before a conversion with the amount of useful energy after a conversion
law of conservation of energy energy can be neither created nor destroyed
closed system a well-defined group of objects that transfer energy between one another
perpetual motion machine a machine that runs forever without any additional energy added
Created by: pdobias