Chapter 2 Phase Change (Amplify)

Front

What is a phase change?

Back

A phase change is a transition of matter from one state to another, such as from solid to liquid or liquid to gas.

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Front

What happens to the molecules of a substance during evaporation?

Back

During evaporation, the molecules gain energy and move faster, allowing some to escape into the gas phase.

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NGSS.MS-PS1-4

Front

What is the state of matter where molecules are tightly packed and vibrate in place?

Back

Solid.

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NGSS.MS-PS3-4

Front

What is the state of matter where molecules are close together but can slide past each other?

Back

Liquid.

Front

What is the state of matter where molecules are far apart and move freely?

Back

Gas.

Front

What occurs when a liquid turns into a solid?

Back

Freezing.

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NGSS.MS-PS1-4

Front

What occurs when a solid turns into a liquid?

Back

Melting.

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NGSS.MS-PS1-4

Front

What is condensation?

Back

Condensation is the process where gas turns into a liquid, usually when it cools down.

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NGSS.MS-PS1-4

Front

What is the process called when a liquid changes to a gas?

Back

Evaporation.

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NGSS.MS-PS1-4

Front

What happens to the energy of molecules when they are heated?

Back

The energy increases, causing the molecules to move faster.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4