Phases of Matter

Front

Molecules in a solid look like:

Back

Molecules in a solid are closely packed together and vibrate in place.

Front

When temperature increases, these molecules will become:

Back

liquid

Front

Matter is _________.

Back

anything that has mass and takes up space.

Front

When temperature decreases, these molecules will become:

Back

solid

Front

When temperature is increased, these molecules will become:

Back

gas

Front

What are the three main phases of matter?

Back

Solid, Liquid, Gas.

Front

What happens to molecules in a solid when heated?

Back

They gain energy and may change to a liquid.

Front

What happens to molecules in a gas when cooled?

Back

They lose energy and may change to a liquid or solid.

Front

Define 'solid'.

Back

A state of matter with a definite shape and volume.

Front

Define 'liquid'.

Back

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