How well do you remember?

It has no fixed shape. It takes the shape of its container.

• solid

• liquid

This gas is all around us. We cannot see it.

• air

• cloud

When water is heated, it __________ and turns to gas.

• condenses

• evaporates

The ___________ is the reverse of evaporation.

• Evaporation

• Condensation

These are the 3 states of matter.

• solid, liquid, gas

• solid, liquid, water

When butter is heated, it will _________.

• freeze

• melt

It is a process where gas turns into a liquid.

• Condensation

• Evaporation

When gas cools, it changes state and become a ___________.

• liquid

• solid

Water boils at _______ degrees Celsius.

• 50

• 100

Water freezes at _______ degrees Celsius.

• 100

• 0