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StudyScience7

Fluids, gases, and solids

QuestionAnswer
condensation The process of changing state from a gas to a liquid.
Density The mass of a given volume. A way to describe how closely particles are packed together in a solid, liquid or gas.
Evaporation The process of changing state from a liquid to a gas
Expansion an increase in volume cause by a decrease in external pressure
Mass The amount of matter in a substance or an object; the more matter, the greater the mass.
Melting The process of changing state from a solid to a liquid
melting point The temperature in which a solid starts to liquefy
boiling point The temperature in which a liquid changes into a gas.
Solidification the process of changing state from a liquid to a solid by the removal of heat.
Sublimation the process of changing state from a solid to a gas without going through the liquid stage.
volume The amount of space taken up by a substance or object.
formula for density? Mass divided by volume
Kinetic molecular theory describes how adding energy to particles makes them move faster and further apart.
Particle model of matter Describes how particles of solids are closer together than particles of liquids. Particles of a gas are spread far apart.
kinetic energy the energy of motion
Created by: IvyHanson