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Intro. To I.S.

anninos-pnhs-intro to I.S. vocab

QuestionAnswer
the state of matter in which materials have a definite shape and a definite volume Solid
the state of matter in which a material has a definite volume but not a definite shape Liquid
the state of matter in which a material has neither a definite shape nor a definite volume Gas
the energy an object has due to its motion Kinetic Energy
the reversible physical change that occurs when a substance changes from one state of matter to another Phase Change
the system absorbs energy from its surroundings Endothermic
amount of energy for water (another term for melting) Heat of Fusion
the system releases energy to its surrondings exothermic
the phase change in which a substance changes from a liquid into a gas Vaporization
varies from substance to substance (the amount of energy for water Heat of Vaporization
tskes place at the surface of a liquid and occurs at temperatures below the boiling point Evaporation
the pressure caused by the collisions of this vapor and the walls of the container Vapor Pressure
phase change in which a substance changes from a gas or vapor to a liquid Condensation
phase change in which a substance changes from a solid to a gas or a vapor Sublimation
when a gas or vapor changes directly into a solid without first chaning to a liquid Deposition
Created by: nanninos
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