Phase Change 6 703

Front

What are the three phases of matter?

Back

Solid, Liquid, Gas.

Front

What happens to molecules in a solid?

Back

Molecules are closely packed and vibrate in place.

Front

What happens to molecules in a liquid?

Back

Molecules are close together but can move around each other.

Front

What happens to molecules in a gas?

Back

Molecules are far apart and move freely.

Front

What is a phase change?

Back

A transition of matter from one state to another, such as solid to liquid.

Front

What is melting?

Back

The process of a solid turning into a liquid when heat is added.

Front

What is freezing?

Back

The process of a liquid turning into a solid when heat is removed.

Front

What is evaporation?

Back

The process of a liquid turning into a gas when heat is added.

Front

What is condensation?

Back

The process of a gas turning into a liquid when heat is removed.

Front

What is sublimation?

Back

The process of a solid turning directly into a gas without becoming a liquid.