Matter and the changes of matter

Three states of matter are ...

• gas

• water

• liquid

• solid

A glass ice tea is left in a warm room. when the ice cube melts, the change is from ... to ...

• solid

• gas

• liquid

• water

Some solid behave like liquids, such as ... and ...

• plastic spoon

• grain of sugar

• wooden ruler

• a piece of paper

Everything consists of ...

• matter

• book

• water

• vapour

The changes process from solid to gas is called

• solidify

• sublimation

• condensation

• evaporation

Particle of solids are closely packed together and have fixed ...

• model

• air

• shape

• atoms

The example of chemical changes are ... and ...

• cutting paper

• baking a cake

• rusting an iron

• water freezing

The heated butter is an example of ...

• physical changes

• chemical changes

Burning wood is the example of

• physical changes

• chemical changes

The example of evaporation is ...

• boiling water

• drying wet clothes

• ice cube in a warm room

• morning dew