Phases of Matter

Front

What is a solid?

Back

A state of matter that has a definite shape and volume.

Front

What happens to particles in a solid when heated?

Back

They vibrate faster and may eventually change to a liquid.

Front

What is a liquid?

Back

A state of matter that has a definite volume but takes the shape of its container.

Front

What happens to particles in a liquid when heated?

Back

They gain energy, move faster, and may change to a gas.

Front

What is a gas?

Back

A state of matter that has no definite shape or volume and expands to fill its container.

Front

What happens to particles in a gas when cooled?

Back

They lose energy, slow down, and may condense into a liquid.

Front

What is melting?

Back

The process of a solid changing into a liquid when heat is added.

Front

What is freezing?

Back

The process of a liquid changing into a solid when heat is removed.

Front

What is evaporation?

Back

The process of a liquid changing into a gas when heat is added.

Front

What is condensation?

Back

The process of a gas changing into a liquid when heat is removed.