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Solids, Liquids, And Gases, 8th Grade
Test Description: Solids, liquids, gases
Instructions: Answer all questions to get your test result.
1) Boyle's law states that the gas pressure is ___ to a volume at a constant temperature.
A
inversely proportional
B
directly proportional
2) At a constant pressure, when the temperature of a gas is decreased, its volume decreases. This is
A
the law of thermodynamics
B
Darwin's law
C
Charles's law
D
Boyle's law
3) In pure, crystalline solids, melting occurs at a specific temperature called the
A
condensation point
B
boiling point
C
melting point
4) The change of state from a liquid to a solid is called
A
freezing
B
vaporization
C
melting
D
condensing
5) Vaporization that takes place both below and at the surface of a liquid is called
A
evaporation
B
condensation
C
sublimation
D
boiling
6) Vaporization that takes place only on the surface of a liquid is called
A
evaporation
B
sublimation
C
condensation
D
boiling
7) Condensation occurs when particles in a gas ___ enough thermal energy to form a liquid.
A
gain
B
lose
C
create
8) A ___ has a definite volume but no shape of its own.
A
liquid
B
solid
C
gas
9) The property of a liquid that is a liquid's resistance to flowing.
A
viscosity
B
surface tension
C
sublimation
D
freezing
10) The measure of the average energy of random motion of the particles of matter.
A
surface tension
B
viscosity
C
volume
D
temperature
11) A state of matter that has a definite shape and volume.
A
liquid
B
soda
C
solid
D
gas
12) Solids that are made of patterns of particles
A
crystalline solids
B
amorphous solids
13) The firmness of a gas-filled object comes from the ___ of the gas.
A
state
B
pressure
C
temperature
D
volume
14) Melting occurs when the particles of a solid ___ enough energy to form a liquid.
A
gain
B
lose
15) What happened to the water inside the soda can during our experiment?
A
sublimation
B
boiling
C
freezing
D
melting
16) A ___ is any substance that flows.
A
gas
B
liquid
C
solid
D
fluid
17) Vaporization can occur on the surface of a liquid and within the liquid.
A
true
B
false
18) When pressure is kept constant, as temperature rises....
A
volume stays the same
B
volume decreases
C
volume fluctuates
D
volume rises
19) When water vapor changes to liquid water
A
boiling
B
condensation
C
vaporization
D
evaporation
20) Which has the most energy?
A
gas
B
They have equal energy.
C
liquid
D
solid
*select an answer for all questions
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