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Intro to I.S.

brocklesby-pnhs-intro to I.S. vocab

QuestionAnswer
Solid the state of matter in which materials have a definite shape and a definite volume
Liquid the state of matter in which materials have a definite volume but not a definite shape
gas a state of matter in which a material does not have a definite shape or a definite volume
kinetic energy the energy an object has due to its motion
phase change the reversible physical change that occurs when a substance changes from one state of matter to another
endothermic a system that absorbs energy from its surrondings
heat of fusion the amount of heat that is used to make a solid change into a liquid
exothermic the system that release energy to its surrondings
vaporization the phase in which a substance changes from a liquid to a gas
heat of vaporization a substance that must absorb energy in order to change from a liquid to a gas
evaporation the process that changes a substance from a liquid to a gas at temperatures below the substances boiling point
vapor pressure the pressure caused by the collisons of this vapor collects above this liquid
condensation the phase change in which a substance changes from a gas or vapor to a liquid
sublimation the phase change in which a substance changes form a soloid to a gas or vapor without changing to a liquid first
deposition a phase change when a gas or vapor changes directly into a solid without first changing to a liquid
Created by: jordanlynne0828
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