Unit 3 Review

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

Which state of matter has particles that are far apart and move freely?

Back

Gas.

Front

What process do we use to change water from a liquid to a solid?

Back

Freezing.

Front

What happens to particles in a substance when it is heated?

Back

They speed up and spread out.

Front

What type of energy does the Sun produce?

Back

Thermal and light energy.

Front

What is the process of changing a solid to a liquid called?

Back

Melting.

Front

What is the process of changing a liquid to a gas called?

Back

Evaporation.

Front

What is the term for the amount of space an object takes up?

Back

Volume.

Front

What is the term for the force of gravity acting on an object?

Back

Weight.

Front

What is the term for a change in state from gas to liquid?

Back

Condensation.