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Chapter 8

States of Matter

TermDefinition
Solid Matter that has a definite shape and a definite volume.
Liquid Matter with a definite volume but no definite shape.
Viscosity A measurement of a liquid’s resistance to flow.
Surface Tension The uneven forces acting on the particles on the surface of a liquid.
Gas Matter that has no definite volume and no definite shape.
Vapor The gas state of a substance that is normally a solid or a liquid at room temperature
Kinetic Energy The energy an object has due to its motion.
Temperature A measure of the average kinetic energy of all the particles in an object.
Thermal energy The total potential and kinetic energies of an object.
Vaporization The change in state of a liquid into a gas.
Evaporation Vaporization that occurs only at the surface of a liquid.
Condensation The change of state from a gas to a liquid.
Sublimation The change of state from a solid to a gas without going through the liquid state.
Deposition The change of state of a gas to a solid without going through the liquid state.
Created by: Mr. Hopkins
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