States of Matter and Phase Changes

Front

An example of an irreversible change is ________________.

Back

popcorn popping

Front

A liquid can change to a solid by ______________ like water to ice.

Back

freezing

Front

________________ are materials that have a defined shape and size that stays the same.

Back

solid

Front

If you freeze water, it will change to a ________.

Back

solid

Front

Lowering temperature is called ____________.

Back

cooling

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and volume.

Front

What happens to water when it freezes?

Back

It turns into ice, which is a solid.

Front

What is the process of changing a liquid to a gas called?

Back

Evaporation.

Front

What is the process of changing a gas to a liquid called?

Back

Condensation.

Front

What is an example of a gas?

Back

Air is an example of a gas.