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States of Matter

Vocabulary

TermDefinition
solid state of matter in which the particles of matter are closest together, having a definite shape and a definite volume.
liquid state of matter in which the particles are free to move over, under and around one another; particles are farther apart than in a solid.
gas state of matter in which the particles are moving the fastest and are the farthest away from each other.
plasma state of matter that is achieved under very high temperatures, no definite shape.
kinetic-molercular theory differences in the state of matter are caused by how fast the atoms in substance are moving
endothermatic physical change in which energy is observed, the temperature of the substance change
exothermic a process or reaction that releases energy in the form of heat
melting the phase change from a solid to a liquid, material to must gain energy.
melting point the temperature at which a substance begins to melt
freezing the phase change from a liquid to a solid, material must lose energy
freezing point the temperature at which a substance begins to freeze
vaporization can be divided into two catergiories evaporation and boiling
evaporation phase change from a liquid to a gas at the surface of a liquid below the boiling point
boiling the phase change from a liquid to a gas throught the entire liquid
boiling point the temperature at which a substance begins to boil
condensation the change in phase from a gas to a liquid, material requires a loss of energy
sublimation the change in phase from a solid to a gas without going through the liquid phase
deposition phase change from a gas to a solid without going throughout the liquid phase
Created by: ARogalski
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