States of Matter and Phase Changes

Move the states of matter to their correct positions on the heating curve of water.

a

b

c

Solid

Gas

Liquid

Move the phases changes to their correct positions on the heating curve.

a

b

Melting/Freezing

Evaporation/Condensation

Can you remember the three states of matter? Select all three:

• Solid

• Air

• Gas

• Water

• Liquid

What causes a change in the states of matter?

• Light

• Energy

• Pressure

Is a change in a substance's states of matter a physical change or chemical change?

• Chemical

• Physical

A gas

• has a definite shape but no definite volume

• has a definite volume but no definite shape

• has fast-moving particles

Molecules are closest together in a 

• Solid

• Liquid

• Gas

• plasma

Put each state in order from particles closest together to particles farthest apart.

• Liquid

• Gas

• Solid

In which state of matter are the particles the moving the fastest?

• solid

• liquid

• gas

What is the process that turns a solid into a liquid?

• melting

• freezing

• evaporation

• condensation