Phase Change

Front

What is phase change?

Back

A process where a substance changes from one state of matter to another, such as solid, liquid, or gas.

Front

What happens during melting?

Back

A solid turns into a liquid as it absorbs heat.

Front

What is evaporation?

Back

The process where a liquid turns into a gas.

Front

What is condensation?

Back

The process where a gas turns into a liquid.

Front

What is freezing?

Back

The process where a liquid turns into a solid as it loses heat.

Front

What is a solid?

Back

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

Front

What is a liquid?

Back

A state of matter that has a definite volume but takes the shape of its container.

Front

What is a gas?

Back

A state of matter that has no definite shape or volume and expands to fill its container.

Front

What happens to molecules during melting?

Back

Molecules move faster and spread apart.

Front

What happens to molecules during freezing?

Back

Molecules slow down and come closer together.