Phase Changes and Energy Concepts

Front

What is a phase change?

Back

A phase change is a transition of matter from one state to another, such as solid to liquid or liquid to gas.

Front

What happens to water vapor when it cools?

Back

When water vapor cools, it condenses into liquid water.

Front

What is condensation?

Back

Condensation is the process by which a gas turns into a liquid.

Front

What is evaporation?

Back

Evaporation is the process by which a liquid turns into a gas.

Front

What is freezing?

Back

Freezing is the change of a liquid into a solid.

Front

What is melting?

Back

Melting is the change of a solid into a liquid.

Front

What is vaporization?

Back

Vaporization is the change of a liquid into a gas.

Front

What is sublimation?

Back

Sublimation is the process where a solid changes directly into a gas without becoming a liquid first.

Front

What is deposition?

Back

Deposition is the process where a gas changes directly into a solid without becoming a liquid.

Front

What state of matter has a definite shape and volume?

Back

Solid.