Solids, Liquids, And Gases, 8th Grade Question Preview (ID: 60124)
Solids, Liquids, Gases.
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Boyle's law states that the gas pressure is ___ to a volume at a constant temperature.
a) inversely proportional
b) directly proportional
c)
d)
At a constant pressure, when the temperature of a gas is decreased, its volume decreases. This is
a) Charles's law
b) Boyle's law
c) Darwin's law
d) the law of thermodynamics
In pure, crystalline solids, melting occurs at a specific temperature called the
a) melting point
b) boiling point
c) condensation point
d)
The change of state from a liquid to a solid is called
a) freezing
b) melting
c) vaporization
d) condensing
Vaporization that takes place both below and at the surface of a liquid is called
a) boiling
b) evaporation
c) condensation
d) sublimation
Vaporization that takes place only on the surface of a liquid is called
a) evaporation
b) condensation
c) boiling
d) sublimation
Condensation occurs when particles in a gas ___ enough thermal energy to form a liquid.
a) lose
b) gain
c) create
d)
A ___ has a definite volume but no shape of its own.
a) liquid
b) solid
c) gas
d)
The property of a liquid that is a liquid's resistance to flowing.
a) viscosity
b) surface tension
c) sublimation
d) freezing
The measure of the average energy of random motion of the particles of matter.
a) temperature
b) viscosity
c) surface tension
d) volume
A state of matter that has a definite shape and volume.
a) solid
b) liquid
c) gas
d) soda
Solids that are made of patterns of particles
a) crystalline solids
b) amorphous solids
c)
d)
The firmness of a gas-filled object comes from the ___ of the gas.
a) pressure
b) volume
c) temperature
d) state
Melting occurs when the particles of a solid ___ enough energy to form a liquid.
a) gain
b) lose
c)
d)
What happened to the water inside the soda can during our experiment?
a) boiling
b) sublimation
c) freezing
d) melting
A ___ is any substance that flows.
a) fluid
b) liquid
c) gas
d) solid
Vaporization can occur on the surface of a liquid and within the liquid.
a) true
b) false
c)
d)
When pressure is kept constant, as temperature rises....
a) volume rises
b) volume decreases
c) volume stays the same
d) volume fluctuates
When water vapor changes to liquid water
a) condensation
b) evaporation
c) boiling
d) vaporization
Which has the most energy?
a) gas
b) solid
c) liquid
d) They have equal energy.
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