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Chapter 3 Vocab.

TermDefinition
solid a substance with a definite shape and a definite volume
liquid a substance with a definite volume but not a definite shape
gas a substance with no definite volume nor a definite shape
kinetic energy energy that a body possesses by virtue of being in motion
pressure the continuous physical force exerted on or against an object by something in contact with it
absolute zero It is zero on the Kelvin scale
Charles's law The principle that the volume of a given mass of an ideal gas is proportional to its temperature as long as its pressure remains constant
Boyle's law a statement in physics: the volume of a gas at constant temperature varies inversely with the pressure exerted on it
phase change The states in which matter can exist: as a solid, liquid, or gas. When temperature changes, matter can undergo a phase change, shifting from one form to another
endothermic accompanied by or requiring the absorption of heat
heat of fusion heat required to melt a solid; specifically : the amount required to melt unit mass of a substance at standard pressure
exothermic accompanied by the release of heat
vaporization the conversion of a solid or a liquid into a gas
heat of vaporization required to convert a unit mass of a liquid at its boiling point into vapor without an increase in temperature
evaporation process of a liquid changing into a gas
vapor pressure the pressure of a vapor in contact with its liquid or solid form
condensation water that collects as droplets on a cold surface when humid air is in contact with it
sublimation when anything solid turns into a gas without first becoming liquid
deposition geological process in which sediments, soil, and rocks are added to a landform or land mass
Created by: rodney.stover