Energy Transfer

Front

What is the process when a solid becomes a liquid?

Back

Melting

Front

What happens to the particles of a substance when it melts?

Back

The particles gain energy and move apart.

Front

What is the process when a liquid becomes a solid?

Back

Freezing

Front

What happens to the particles of a substance when it freezes?

Back

The particles lose energy and come closer together.

Front

What is the process when a gas becomes a liquid?

Back

Condensation

Front

What happens to the particles of a substance during condensation?

Back

The particles lose energy and come closer together.

Front

What is the process when a gas becomes a solid?

Back

Deposition

Front

What is the process when a solid becomes a gas?

Back

Sublimation

Front

What is expansion in terms of energy transfer?

Back

Increasing the distance between particles due to heat.

Front

What is contraction in terms of energy transfer?

Back

Decreasing the distance between particles due to cooling.