Phases of Matter

Front

What are the three main phases of matter?

Back

Solid, Liquid, Gas.

Front

What happens to molecules when temperature is decreased?

Back

They move closer together and can become a solid.

Front

How do molecules in a gas behave?

Back

They move freely and are far apart from each other.

Front

How do molecules in a solid behave?

Back

They are tightly packed and vibrate in place.

Front

What do liquids and solids have in common?

Back

Both have definite volume.

Front

What is freezing?

Back

The process of a liquid turning into a solid when temperature decreases.

Front

What is melting?

Back

The process of a solid turning into a liquid when temperature increases.

Front

What is evaporation?

Back

The process of a liquid turning into a gas when temperature increases.

Front

What is condensation?

Back

The process of a gas turning into a liquid when temperature decreases.

Front

What is the shape of a solid?

Back

Solids have a definite shape.