Prentice Hall Physical Science Chapter 2

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• a gas contracts

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A gas

• has a definite shape but no definite volume
• has a definite volume but no definite shape
• has fast-moving particles

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Freezing

• Solid to gas

• Liquid to solid

• Gas to solid

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Boiling

• liquid to gas

• gas to solid

• gas to liquid

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Which state of matter has a definite shape?

• solid
• liquid
• gas

The state of matter that has no definite size or shape is

• Solid

• Liquid

• Gas

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Particles in a ______________________ move quickly and are far apart.

• gas

• solid

• liquid

Particles of a liquid

• are tightly packed together and stay in a fixed position.

• are free to move around one another but still touch.

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Solid to Gas

• Deposition

• Sublimation

• Evaporation

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What is condensation?

• gas to solid

• gas to liquid

• liquid to solid

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