Worksheet on Components and Properties of Air and Air Pollution Class 2

1. How does air help the following objects to fly?

a) Air provides a lift for things to fly.
b) Air pushes things forward.
c) Air creates pressure.
d) Air makes things lighter in weight.

Answer: a) Air provides a lift for things such as birds and planes to fly.

2. Which of the following activities will not help in reducing air pollution?

a)
b)
c)
d)

Answer:  d) Cars release pollution into the air.

3. Look at the following picture. Which property of air does it prove?

a) Air helps things take on different shapes
b) Air is essential for burning
c) Air has weight
d) Air is colourless

Answer: b) Air is necessary to make fire.

4. Which of the following activities does not need air?

a)
b)
c)
d)

Answer: a) Reading does not require air.

5. Which of the following is a recommended item to wear for protection against air pollution?

a)
b)
c)
d)

Answer: c) Wearing masks can protect us from breathing in polluted air.