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Energy

TermDefinition
Energy The ability to cause change. Measured in Joules (J)
Kinetic Energy Energy in motion
KE Equation KE = ½ mv^2
Potential Energy Stored energy
Elastic Potential Energy Energy stored in objects being compressed or stretched
Chemical Potential Energy Energy stored in chemical bonds of compounds
Gravitational Potential Energy Energy stored in objects that are above Earth’s surface
GPE Equation GPE = ham
Law of Conservation of Energy Energy can never be created or destroyed, it can only change forms.
Radiant, Solar, or Light Energy Light that comes from the sun and lightbulbs; used to see and as a power source.
Thermal Energy The sum of kinetic and potential energy of the particles in an object.
Electrical Energy Comes from outlets and power plants; used to power electrical devices.
Sound Energy Comes from a variety of sources; used most often for communication.
Nuclear Energy Comes from releasing energy from the nucleus of an atom; used in nuclear power plants.
Electromagnetic Form of energy that is reflected or emitted in the form of electrical and magnetic waves that can travel through space.
Mechanical energy The total amount of kinetic and potential energy in a system.
Temperature A measure of the average kinetic energy of particles in an object.
Heat (Q) the transfer of energy from one object to another.
Conduction Transfer of energy through matter by direct contact of particles.
Convection Transfer of energy by the movement of heated particles.
Conductors materials that allow heat to flow easily
Insulators materials that do not allow heat to flow easily
Specific Heat The amount of heat needed to raise the temperature of 1 kg of a material by 1 °C or K.
Specific Heat Equation Q = mcΔT
Work (W) the transfer of energy that occurs when a force makes an object move.
Work Equation W = Fd
Power (P) the amount of work done in a certain time; the rate at which work is done.
Power Equation P=W/t
Created by: lwebber5
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