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I.S.pom33

DiRito-pnhs-I.S.vocab

QuestionAnswer
Solid the state of matter in which materials have a definate shape and definate volume
liquid the state of matter in which a material has a defiante volume but not a definate shape(it has a variable shape)
gas the state of matter in which the materials have a Variable shape and a variable volume
kinetic energy the energy an object has due to it's motion
phase change a reversible physical change that occurs when a substance changes from one state of matter to another
endothermic a description of a change in which a system absorbs energy from it's surroundings
heat of fusion the energy a substance must absorb in order to change from a solid to a liquid
exothermica a descriptionof a change in whgich a system releases energy to it's surroundings
vaporization the phase change in which a substance changes from a liquid to a gas
heat of vaporization the energy a substance must absorb in order to change from a liquid to a gas
evaporation the process that changes a substance from a liquidto a gas at temperatures below the seubstance's boiling point
vapor pressure the pressure caused by the collisons of particles in a vapor with the walls of a container
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 in which a substance changes from a solid to a gas or vapor without changing to a liquid first
deposition the phase change in which a gas or vapor changes directly into a solid without first changing into a liquid
Created by: Plynorth
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