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Intro to I.S.

cleaves-pnhs-intro to I.S. vocab

QuestionAnswer
solid a state of matter in which materials have a definite shape and definite volume.
liquids a state of matter in which material has a definite volume but not a definite shape
gas a state of matter in which material has neither definite volume or shape.
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 varies from one substance to another
exothermic the system releases energy to its surroundings
vaporization the phase in which a substance changes from a liquid into a gas
heat of vaporization varies from one substance to another
evaporation the process of changing a liquid to a gas from temperatures below substance boiling point
vapor pressure pressure caused by collisions
condensation the phase of which a substance changes from a gas to a liquid
sublimation the phase of which a substance changes from a solid to a gas or vapor without changes to a liquid first
deposition when a gas or vapor changes directly to a solid without changing to a liquid
Created by: darian.cleaves
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