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Intro. to I.S.

hall-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 materials have a definite volume but not a definite shape.
Gas The state of matter in which materials have neither a definite volume nor a definite shape.
Kinetic Energy The energy an object has due to its motion.
Pressure The result of a force distributed over an area.
Absolute Zero A tempurature of 0K.
Charles's Law The volume of a gas is directly proportional to its tempurature in kelvins if the pressure and the number of particles of the gas are constant.
Boyle's Law The volume of a gas is inversely proportional to its pressure if the tempurature and the number of particles are constant.
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 point when something melts.
Exothermic Change The system releases energy to its surroundings.
Vaporization The phase change in which a substance changes from a liquid to a gas.
Heat of Vaporization The point when something vaporizes.
Evaporization The Proccess that changes a substance from a liquid to a gas at tempuratures below the substance's boiling point.
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 The phase change in which a substance changes from a gas or vapor to a solid without changing to a liquid first.
Created by: bennywitdabanjo
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