Matter

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is an example of a solid?

Back

A rock.

Front

What is an example of a liquid?

Back

Water.

Front

What is an example of a gas?

Back

Air.

Front

What does it mean that air has mass?

Back

It means that air weighs something, even though we can't see it.

Front

What is heat?

Back

Heat is the transfer of thermal energy from a warmer substance to a cooler one.

Front

What happens to particles in a solid when heated?

Back

They vibrate faster and may change to a liquid.

Front

What happens to particles in a liquid when heated?

Back

They move faster and may change to a gas.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces that are in contact.