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KMT Review
Test Description: Use this to study
Instructions: Answer all questions to get your test result.
1) 1. In which state of matter are the particles spread apart and fill all the space available to them?
A
solid
B
gas
C
crystal
D
liquid
2) Particles of a liquid
A
D. vibrate within a small space
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
A. decrease movement with increasing temperature
3) Which state of matter can change volume easily?
A
molecule
B
B. gas
C
D. liquid
D
C. solid
4) What is vaporization?
A
B. a liquid becoming a solid
B
C. a gas becoming a liquid
C
D. a liquid becoming a gas
D
a gas becoming a solid
5) A solid is a state of matter that has a(n)
A
B. indefinite volume and indefinite shape
B
C. indefinite volume and a definite shape
C
D. definite volume and definite shape
D
A. definite volume and indefinite shape
6) The particles of a liquid
A
D. vibrate within a small space
B
A. move more quickly than particles of a gas
C
B. move quickly enough to overcome some of the attraction between them
D
C. don’t move at all
7) 13. One property that ALL particles of matter have in common is they
A
D. move constantly
B
C. move only during changes of state
C
B. never move
D
A. move until they hit another particle, then they stop
8) 14. Which of the following statements best describes what happens as the temperature of a gas in a balloon increases?
A
D. the speed of the particles increases, and the volume of the gas increases
B
A. the volume of the gas decreases
C
B. the pressure of the gas decreases
D
C. the volume decreases, and the speed of the particles decreases
9) The theoretical point at which molecular motion stops is
A
B. absolute zero
B
D. the freezing point
C
A. the boiling point
D
C. the melting point
10) As the volume of a gas decreases, the pressure of the gas will _____ if the temperature remains the same
A
C. remain the same
B
A. decrease
C
B. increase
D
D. contract
11) As the temperature of a gas increases, the volume of the gas will _____ if the pressure remains the same.
A
D. contract
B
decrease
C
C. remain the same
D
B. increase
12) Which statement is true about the atoms in helium gas?
A
D. they are arranged in an orderly pattern
B
B. they have strong attractions to each other
C
A. they travel in circular paths
D
C. they are not closely packed
13) Increasing which variable would decrease the pressure of a contained gas?
A
C. number of particles
B
D. volume
C
B. boiling point
D
temperature
14) According to _____, the buoyant force on an object in a fluid is equal to the weight of the fluid displaced by the object.
A
D. Archimedes’ principle
B
C. Charles’s law
C
Bernoulli’s principle
D
B. Boyle’s law
15) The phase change that is the reverse of vaporization is
A
B. condensation
B
freezing
C
C. melting
D
D. boiling
*select an answer for all questions
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