9 terms

GHMS - Changes in Matter Ch 6, Sec 3

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state (states of matter)
the three forms (solid, liquid, gas) in which most matter on Earth exists
change of state
the physical change of matter from one state to another
melting
The change in state from a solid to a liquid
freezing
the change of state from a liquid to a solid
evaporation
vaporization that takes place at the surface of a liquid
boiling
vaporization that occurs on and below the surface of a liquid
condensation
the process of changing from the gaseous to the liquid state of matter
thermal expansion
the expansion of matter when it is heated
Gaseous state
The most disorganized state of matter. It expands to fill all the space available.