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Intro to I.S.

yorks-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 a material has a definite volume but not a definite shape.
Gas The state of matter in which material has neither a definite shape nor 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 The system absorbs energy from its surroundings.
Heat of Fusion The joules if energy when ice melts.
Exothermic The system releases energy to its surroundings.
Vaporization Phase change in which a substance changes from liquid into gas.
Heat of Vaporization Joules of energy when water vaporizes.
Evaporization The process that changes a substance from a liquid to a gas at temperatures below the substance's boiling point.
Vapor Pressure The collision of vapor and the walls of the container.
Condensation Substance changes from a gas to a liquid.
Sublimation Substance changes from a solid to a gas or vapor without changing to a liquid first.
Deposition A gas or vapor changes directly into a solid without first changing to a liquid.
Created by: jakeyorks40
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