Air Grade 1

Clean air is

• harmful

• odourless

• not good

• useless

Air has no

• colour

• shape

• smell

• all of the above

Moving air is called (a)   .

We cannot (a)   air but we can feel it.

Air is needed by all

• table

• living things

• books

• toys

Air is used for

• drying clothes

• writing

• flying kite

• sailing

Smoke from vehicles make air

• pure

• clean

• dirty

• healthy

___________ help to keep the air fresh and clean.

• Plants

• Vehicles

Air pollution is caused by

• Factories

• Vehicles

• Burning plastic

• All of the above

Air can be filled in

• tyres

• books

• balls

• balloons