Phase Changes

Front

What are the molecules responsible for during a phase change?

Back

To rearrange the matter into a new state.

Front

True or False: All phase changes (changing states) require energy to be added or taken away.

Back

True

Front

What is freezing?

Back

The process of changing from liquid to solid.

Front

At which point is the substance a gas? (Options: A, C, E)

Back

E

Front

A change from Gas to Solid is called what?

Back

Deposition.

Front

What is the process of changing from solid to liquid called?

Back

Melting.

Front

What is condensation?

Back

The process of changing from gas to liquid.

Front

What is sublimation?

Back

The process of changing from solid to gas without becoming liquid.

Front

What happens to molecules during heating?

Back

They move faster and spread apart.

Front

What is the boiling point?

Back

The temperature at which a liquid turns into a gas.