Phase Changes

Front

Change from Liquid to Solid is called ...

Back

Freezing

Front

Change from Gas to Solid is called ...

Back

Deposition

Front

Change from Liquid to Gas is called ...

Back

Evaporation

Front

What happens to particles when energy is added (heated)?

Back

They speed up and spread out.

Front

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

Back

True

Front

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

Back

Sublimation

Front

What is the process called when a gas turns into a liquid?

Back

Condensation

Front

What is the term for the energy required to change a substance from solid to liquid?

Back

Heat of fusion

Front

What is the term for the energy required to change a substance from liquid to gas?

Back

Heat of vaporization

Front

What happens to the temperature of a substance during a phase change?

Back

The temperature remains constant during a phase change.