Changing States of Matter

Front

What is the process of changing from a solid to a liquid called?

Back

Melting

Front

What is the process of changing from a liquid to a solid called?

Back

Freezing

Front

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

Back

Evaporation

Front

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

Back

Condensation

Front

What is the temperature at which a liquid turns into a gas?

Back

Boiling point

Front

What is the temperature at which a liquid turns into a solid?

Back

Freezing point

Front

What happens to particles when a substance is heated?

Back

They speed up and move further apart.

Front

What happens to particles when a substance is cooled?

Back

They slow down and move closer together.

Front

What is sublimation?

Back

The process of changing from a solid directly to a gas without becoming a liquid.

Front

What is deposition?

Back

The process of changing from a gas directly to a solid without becoming a liquid.