Phase Change: Chapter 1

Front

What happens to the molecules of a substance when it changes from gas to liquid?

Back

The molecules move closer together and begin to move around each other instead of away from each other.

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NGSS.MS-PS1-4

Front

In which state of matter are the particles least able to move?

Back

Solid (State B)

Front

Which phase allows molecules to flow around each other and take the shape of a container?

Back

Liquid

Front

What phase change increases the freedom of movement of molecules?

Back

Melting

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NGSS.MS-PS1-4

Front

What is the phase change from gas to liquid called?

Back

Condensation

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Front

What is the primary characteristic of particles in a solid state?

Back

Particles are closely packed together and vibrate in place.

Front

How do particles behave in a liquid state?

Back

Particles are close together but can move around each other, allowing liquids to flow.

Tags

NGSS.MS-PS1-4

Front

What is the process called when a liquid turns into a gas?

Back

Vaporization (or evaporation)

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NGSS.MS-PS1-4

Front

What occurs during the phase change of freezing?

Back

A liquid turns into a solid as the particles lose energy and become fixed in place.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

What is sublimation?

Back

The phase change from solid directly to gas without passing through the liquid phase.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4