L23/24 Review: Phase Changes

Front

What happens to the particles of matter when the temperature increases?

Back

The particles speed up and move farther apart.

Front

Do all phase changes require energy to be added or taken away?

Back

True

Front

During which phase change does a substance release energy?

Back

Freezing.

Front

What is the process called when a gas changes directly into a solid?

Back

Deposition.

Front

How do solids differ from liquids in terms of particle movement?

Back

Particles in solids are vibrating in place.

Front

What is melting?

Back

The process where a solid turns into a liquid by absorbing heat.

Front

What is freezing?

Back

The process where a liquid turns into a solid by releasing heat.

Front

What is evaporation?

Back

The process where a liquid turns into a gas by absorbing heat.

Front

What is condensation?

Back

The process where a gas turns into a liquid by releasing heat.

Front

What is sublimation?

Back

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