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Unit 3 Matter,Phases

Unit 3 States of Matter, Phase Changes

TermDefinition
As altitude increases, air pressure decreases
atoms basic particle from which all elements are made
condensation Gas to liquid:(Dew on grass)
deposition gas to solid (frost)
element cannot be broken down into any other substance
evaporation Liquid to Gas: (Puddles disappearing)
evaporation the change of a liquid to a gas
freezing point Liquid to solid:(Water to ice)
gas The particles are very separated. The particles move quickly.
liquid can be poured and take on the shape of their container. Has mass and volume.
liquid The particles are close together and slide past each other.
matter anything that takes up space and has mass
melting point Solid to liquid:(Ice to water)
particles Tiny atoms that make up all matter
plasma occurs at EXTREMELY high temperatures; Found in stars lightning, and neon lights; often called the "fourth state of matter"
solid The particles are tightly packed. The particles do not move around.
sublimation the process in which a solid changes directly into a gas
Created by: Room 261
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