General Science Review 6.2 Question Preview (ID: 11444)


Changes Of State. TEACHERS: click here for quick copy question ID numbers.

Which change of state does not require energy
a) melting
b) condensing
c) sublimation
d) vaporization

Which change of state requires energy
a) melting
b) condensing
c) deposition
d) freezing

At its freezing point, the particles of a liquid are moving so ________ that they begin _____________
a) slowly; to form regular patterns
b) quickly; to form regular patterns
c) quickly; to break free from their fixed positions
d) slowly; to break free from their fixed positions

The change of state from liquid to gas happens at a substances
a) melting point
b) freezing point
c) boiling point
d) condensing point

At a substances melting point, __________ doesn't change because all energy is going towards changing the ______ to liquid
a) temperature; solid
b) temperature; gas
c) kinetic energy; solid
d) kinetic energy; gas

Evaporation is __________ that occurs ____________________
a) vaporization; only at the surface of a liquid
b) vaporization; throughout the liquid
c) condensation; only at the surface of a liquid
d) condensation; throughout the liquid

Boiling is __________ that occurs ____________________
a) vaporization; only at the surface of a liquid
b) vaporization; throughout the liquid
c) condensation; only at the surface of a liquid
d) condensation; throughout the liquid

During sublimation particles of a _________ do not pass through the ________ state
a) solid; liquid
b) gas; liquid
c) liquid; gas
d) liquid; solid

Deposition is the change in state from
a) solid to gas
b) gas to solid
c) liquid to solid
d) solid to liquid

Why does evaporation of sweat cool your body off on a warm day?
a) It takes energy to change a liquid to a gas
b) It releases energy when a liquid changes to a gas
c) It takes energy to change a liquid to a solid
d) It releases energy when a liquid changes to a solid

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