BrainPop - States of Matter: Solids, Liquids and Gases

Front

What are the three states of matter?

Back

Solids, Liquids, and Gases.

Front

What is a solid?

Back

A state of matter that has a fixed shape and volume.

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What is a liquid?

Back

A state of matter that has a fixed volume but takes the shape of its container.

Front

What is a gas?

Back

A state of matter that has no fixed shape or volume and expands to fill its container.

Front

What happens to the molecules in a solid?

Back

They are closely packed together and vibrate in place.

Front

What happens to the molecules in a liquid?

Back

They are close together but can move past each other, allowing liquids to flow.

Front

What happens to the molecules in a gas?

Back

They are far apart and move freely, allowing gases to spread out.

Front

What is melting?

Back

The process of a solid turning into a liquid when heated.

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What is freezing?

Back

The process of a liquid turning into a solid when cooled.

Front

What is evaporation?

Back

The process of a liquid turning into a gas when heated.