Phase Changes

Front

What is a phase change?

Back

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

Front

What are the three main states of matter?

Back

Solid, liquid, and gas.

Front

What is required for a phase change to occur?

Back

Energy must be added or removed.

Front

What is deposition?

Back

Deposition is the phase change from gas to solid.

Front

What is evaporation?

Back

Evaporation is the phase change from liquid to gas.

Front

What is condensation?

Back

Condensation is the phase change from gas to liquid.

Front

What is sublimation?

Back

Sublimation is the phase change from solid to gas.

Front

What is fusion?

Back

Fusion is the phase change from solid to liquid.

Front

What happens to energy during melting?

Back

Energy is absorbed during melting.

Front

What happens to energy during freezing?

Back

Energy is released during freezing.