Chapter 8: Particle theory of matter

Which of the following is a correct description for solids?

• closely arranged and in fixed positions

• closely arranged and vibrate in fixed positions

• closely arranged and can move around

When something goes from gas to liquid, it is called...

• Evaporation

• Condensation

• Deposition

• Freezing

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NGSS.MS-PS1-4

Which of the following statements about the particle of a gas is true?

• Gases can be compressed because their particles are smaller than those of liquids or solids.
• Gases can be compressed because there is plenty of space between their particles.
• Gases can be compressed because they have low boiling points.
• Gases can be compressed because their particles are more elastic than those of liquids or solids.

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NGSS.MS-PS3-1

An inflated balloon is placed in a refrigerator. Which statement describes the movement of the gas particles in the balloon?

• The particles move more slowly and become closer together.
• The particles move more slowly and become further apart.
• The particles move faster and become closer together.
• The particles move faster and become further apart. 

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NGSS.MS-PS1-4

Particles are always moving.

• True

• False

Which of the following statements about the kinetic particle theory is not true?

• The particles of a gas move faster than those of a liquid.
• The particles of a solid have more kinetic energy than those of a gas.
• The particles that make up matter are always moving.
• The forces of attraction between the particles of a solid are very strong.

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NGSS.MS-PS1-4

In which state of matter will there be the LARGEST space between molecules?

• Solid

• Liquid

• Gas

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As particles are exposed to warmer temperatures they __________

• speed up
• slow down
• stay the same
• vibrate

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NGSS.MS-PS3-4

What am I? I have a fixed mass, a fixed volume, I cannot be squashed and I have a shape that changes to fit the bottom of my container?

• solid
• liquid
• gas
• plasma

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NGSS.MS-PS3-4

All matter is made up of tiny _______________

• energy

• particles (atoms and molecules)

• bits

• antimatter

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