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unit 5

TermDefinition
cristline solids particles form a regular repeating pattern
Amorphous solids particles not arranged in a repeating pattern
Solid closely packed particles cause matter to have a definite shape and definite volume
Liquid particles are free to move so this state of matter has a definite volume but no definite shape
Surface Tension An inward force, or pull among the molecules in a liquid that brings the molecules on the surface closer together
Viscosity A liquid's resistance to flowing
Gas particles are able to move and spread out filling all space available, thus state of matter has no definite shape or definite volume
Temperature the higher the temperature the faster particles moving.
Melting When a solid changes to a liquid
Melting point the temperature at which a substance melts
Freezing When a liquid changes to a solid
Freezing point the temperature when a substance freezes
Vaporization When a liquid changes to a gas
Evaporation takes place only on the surface of the liquid
Boiling When vaporization occurs both below the and at the surface
Boiling Point Temperature at which a liquid boils
Condensation When a gas changes to a liquid
Sublimation When a substance changes straight from a solid to a gas
Charles’s Law When the temperature of a gas at a constant pressure is increased the volume is increased, if the temperature is decreased then the volume is decreased.
Directly proportional as one amount increases, another amount increases at the same rate.
Boyles Law When the pressure of a gas at a constant temperature is increased the volume is decreases, if the temperature is decreased then the volume is increases.
Inversely proportional When the value of one variable increases, the other decrease
Created by: user-1768541
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