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Intro Matter Test 2

Intro to Matter

Volume formula for regularly shaped solid objects volume = length x width x height
Volume for irregularly shaped solid objects measuring using displacement
measure volume of an apple submerge the apple in a container and meausure the volume of water the apple displaces
density m/v
liquid definite volume, no definite shape, atoms slide past each other at medium speed
solid definite volume and definite shape, atoms are closest to each other
gas no definite volume and no definite shape; atoms move very fast and are spread apart
change of state change of a substance from one physical form to another
melting change of state when a solid becomes a liquid
freezing change of state when a liquid becomes a solid
evaporation change of state when liquid becomes a gas
condensation change of state when a gas becomes a liquid
sublimation change of state when solid becomes a gas
endothermic energy is gained by a substance as it changes state; example melting
Created by: 100001432347236