When a liquid freezes, which of the following describes the behavior of particles?
A.the particles become more closely packed together
B.none of these
C.the particles spread apart from each other
D.the particles remain as they were in the liquid phase
19.Freezing is...
A.Solid to gas
B.Gas to solid
C.Liquid to solid
D.Liquid to gas
20.In the summer, a glass of iced tea is said to "sweat." Which phase change is associated with this observation?
A.condensation
B.evaporation
C.sublimation
D.melting
21.A candle drips wax on a table. This is an example of what phase change? *
A.melting
B.Condensation
C.freezing
D.vaporization
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