State Changes

Front

What is the process called when a solid turns into a liquid?

Back

Melting

Front

What is the process called when a liquid turns into a solid?

Back

Freezing

Front

What happens to particles when a substance is heated?

Back

They speed up and move farther apart.

Front

What is the process called when a gas turns into a liquid?

Back

Condensation

Front

What is the process called when a liquid turns into a gas?

Back

Vaporization

Front

What is sublimation?

Back

The process where a solid turns directly into a gas without becoming a liquid.

Front

What happens to the temperature of a substance during melting?

Back

The temperature remains constant until the entire solid has melted.

Front

What happens to the particles of a substance when it cools down?

Back

They slow down and move closer together.

Front

What is the term for the change from gas to solid?

Back

Deposition

Front

What is thermal energy?

Back

The energy that comes from the temperature of matter.