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Mr.Montesanto

Unit 3: Energy

TermDefinition
Energy capacity to do work
Kinetic Energy energy of motion
Potential Energy stored energy
Chemical Energy energy associated with chemical change (reactions)
Mechanical Energy energy used to exert a force to produce motion
Electrical Energy associated with electric current (flow of electrons)
Heat Energy total kinetic energy of all particles of a sample. Total kinetic energy of all particles of a substance.
Electromagnetic energy/radiaition energy of electromagnetic waves
Combustion when something is burning
Exothermic reaction reaction that releases energy (Hot)
Endothermic reaction reaction that absorbs energy (Cold)
Activation Energy starting energy required for a reaction to take place
Law of Conversation of Energy Energy cannot be created or destroyed, only converted to different types of energy. Total energy always stays the same.
Temperature average kinetic energy of particles in a substance
Absolute zero lowest possible temperature
Calorimetry study of heat energy
Kinetic Theory of Heat and Temperature Particles are in constant motion. For all kinds of matter at the same temperature, the average kinetic energy is the same
Solid phase Has a definite volume and shape
Liquid phase definite volume and takes shape of container
Created by: owenwelsh