Front

What is condensation?

Back

The process of turning a gas into a liquid.

Front

What is mass?

Back

The amount of matter in an object.

Front

What are physical changes?

Back

Changes that affect the form of a substance but not its chemical composition.

Front

What is evaporation?

Back

The process of turning a liquid into a gas.

Front

What is precipitation?

Back

Any form of water, liquid or solid, that falls from clouds and reaches the ground.

Front

What happens when a solid is heated?

Back

It can change into a liquid.

Front

What is the process of turning a liquid into a solid called?

Back

Freezing.

Front

What is the process of turning a solid into a liquid called?

Back

Melting.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.

Front

What is a gas?

Back

A state of matter that has no fixed shape and takes the shape of its container.