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States of Mater

gray-pnhs-states of matter

QuestionAnswer
Solid the state of matter in which materials have a definite shape and volume
Liquid the state of matter in which materials have a definite volume but a variable shape
Gas the state of matter in which materials have variable shape and 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 Change the system absorbs energy from its surroundings
Heat of Fusion the amount of energy absorbed depends on the substance
Exothermic Change the system releases energy to its surroundings
Vaporization the phase change in which a substance changes from a liquid into a gas
Heat of Vaporizatio the amount of energy a subastance must absorb 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 substance's boiling point
Vapor Pressure the pressure caused by the collisions of this vapor and the walls of the 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 changes from a solid to a gas or vapor without changing to a liquid first
Deposition when a gas or vapor changes directly into a solid without first changing to a liquid
Created by: Torriegray
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