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1. In which state of matter are the particles spread apart and fill all the space available to them?
a) gas
b) liquid
c) crystal
d) solid
Particles of a liquid
a) A. decrease movement with increasing temperature
b) B. are tightly packed together and stay in a fixed position
c) C. are free to move throughout a container, but remain in close contact with one another
d) D. vibrate within a small space
Which state of matter can change volume easily?
a) molecule
b) B. gas
c) C. solid
d) D. liquid
What is vaporization?
a) a gas becoming a solid
b) B. a liquid becoming a solid
c) C. a gas becoming a liquid
d) D. a liquid becoming a gas
A solid is a state of matter that has a(n)
a) A. definite volume and indefinite shape
b) B. indefinite volume and indefinite shape
c) C. indefinite volume and a definite shape
d) D. definite volume and definite shape
The particles of a liquid
a) A. move more quickly than particles of a gas
b) B. move quickly enough to overcome some of the attraction between them
c) C. don’t move at all
d) D. vibrate within a small space
13. One property that ALL particles of matter have in common is they
a) A. move until they hit another particle, then they stop
b) B. never move
c) C. move only during changes of state
d) D. move constantly
14. Which of the following statements best describes what happens as the temperature of a gas in a balloon increases?
a) A. the volume of the gas decreases
b) B. the pressure of the gas decreases
c) C. the volume decreases, and the speed of the particles decreases
d) D. the speed of the particles increases, and the volume of the gas increases
The theoretical point at which molecular motion stops is
a) A. the boiling point
b) B. absolute zero
c) C. the melting point
d) D. the freezing point
As the volume of a gas decreases, the pressure of the gas will _____ if the temperature remains the same
a) A. decrease
b) B. increase
c) C. remain the same
d) D. contract
As the temperature of a gas increases, the volume of the gas will _____ if the pressure remains the same.
a) decrease
b) B. increase
c) C. remain the same
d) D. contract
Which statement is true about the atoms in helium gas?
a) A. they travel in circular paths
b) B. they have strong attractions to each other
c) C. they are not closely packed
d) D. they are arranged in an orderly pattern
Increasing which variable would decrease the pressure of a contained gas?
a) temperature
b) B. boiling point
c) C. number of particles
d) D. volume
According to _____, the buoyant force on an object in a fluid is equal to the weight of the fluid displaced by the object.
a) Bernoulli’s principle
b) B. Boyle’s law
c) C. Charles’s law
d) D. Archimedes’ principle
The phase change that is the reverse of vaporization is
a) freezing
b) B. condensation
c) C. melting
d) D. boiling
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