Phases and Phase Changes

Front

What are the three states of matter?

Back

Solid, Liquid, Gas

Front

What phase change occurs when a liquid turns into a gas?

Back

Evaporation

Front

What phase change occurs when a gas turns into a liquid?

Back

Condensation

Front

What is the phase of matter that has a definite shape and volume?

Back

Solid

Front

What is the phase of matter that has a definite volume but no definite shape?

Back

Liquid

Front

What is the phase of matter that has no definite shape or volume?

Back

Gas

Front

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

Back

The particles move closer together.

Front

What happens to the particles in a substance when it evaporates?

Back

The particles spread apart.

Front

What phase change occurs when a solid turns into a liquid?

Back

Melting

Front

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

Back

Freezing