Term Definition
solid has a definite volume or space particles are very close together don't move past each other keep shape
liquid Has a definite volume but not shape. Particles can move past each
other. Takes shape of containe
gas No definite volume or shape. Particles spread out evenly and take
shape of container. Can be squeezed into a smaller volume
plasma Like a gas, but conducts electricity like a metal. Occurs with high
temps or electric charge.
melting point Solid to liquid or liquid to solid. Same temperature as freezing point.
evaporation When liquids become a gas
consedation When gas becomes a liquid. Gas particles touch a cold surface and
the temperature drops.
boiling point The temperature at which evaporation occurs

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