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K2-1 & 2 Vocab

vocab words from chapter 2, sections 1 and 2

TermDefinition
Solid A state of matter that has a definite shape and definite volume
Crystalline Solid A solid that is made up of crystals in which particles are arranged in a regular, repeating pattern
Amorphous Solid A solid made up of particles that are not arranged in a regular pattern
Liquid A state of matter that has no definite shape but has a definite volume
Fluid Any substance that can flow
Surface Tension The result of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together
Viscosity A liquid’s resistance to flowing
Gas A state of matter with no definite shape or volume
Melting The change in state from a solid to a liquid
Freezing The change in state from a liquid to a solid
Evaporation The process that occurs when vaporization takes place only on the surface of a liquid
Boiling Point The temperature at which a substance changes from a liquid to a gas
Melting Point The temperature at which a substance changes from a solid to a liquid
Sublimation The change in state from a solid directly to a gas without passing through the liquid state
Vaporization The change of state from a liquid to a gas
Boiling The process that occurs when vaporization takes place inside a liquid as well as on the surface
Condensation The change in state from a gas to a liquid
Created by: nmehlhaff