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Changes In State

Changes In State of Matter Unit 3 Lesson 2

TermDefinition
change of state the change of a substance from one physical state to another
pressure the amount of force exerted per unit area of a surface
temperature a measure of how hot (or cold) something is; specifically, a measure of the average kinetic energy of the particles in an object
thermal energy the total kinetic energy of a substance’s particles
condensation the change of state from a gas to a liquid
boil a phase transition from the liquid state to the gas state; happens at 100 degrees Celsius at sea level
evaporation the change of state from a liquid to a gas that usually occurs at the surface of a liquid over a wide range of temperatures
melt change of a solid into a liquid when heat is applied
deposition the change of state from a gas directly to a solid; The process in which material is laid down
sublimation the change of state from a solid directly to a gas
freeze change of a liquid into a solid when heat is reduced
Created by: jones.b
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