Chapter 6: Air
Air is all around us
Air is all around us. We cannot see air, but we can feel it when it moves. Air has no colour.
We need air
We breathe through our nose, so we need air. Plants and animals need air too. Moving air is called wind. A very strong wind is called a storm.
Uses of air and clean air
Wind makes a kite fly, dries wet clothes, turns a windmill and moves a sailing boat. A balloon is filled with air. Planting trees and not burning rubbish keeps the air clean.
Important questions
Q1. Can we see air?
No.
Q2. Can we feel air?
Yes, when it moves as wind.
Q3. What do we need air for?
To breathe.
Q4. Which part of the body do we use to breathe?
The nose.
Q5. Do plants need air?
Yes.
Q6. Do animals need air?
Yes.
Q7. What is moving air called?
Wind.
Q8. Name a thing that flies with the help of wind.
A kite.
Q9. How does wind help with wet clothes?
It dries them.
Q10. What makes a windmill turn?
The wind.
Q11. What makes a sailing boat move?
The wind.
Q12. What is a very strong wind called?
A storm.
Q13. What is a balloon filled with?
Air.
Q14. Where is air?
All around us.
Q15. What is the colour of air?
Air has no colour.
Q16. What do we use to get cool air on a hot day?
A fan.
Q17. How can we keep the air clean?
By planting trees and not burning rubbish.
Q18. What happens to leaves when the wind blows?
They move and sway.
Q19. What do birds use air for?
To fly.
Q20. Why should we not stay in smoke?
Smoke makes the air dirty and can make it hard to breathe and make us ill.
Quiz
1. What do we breathe with?
We breathe with our nose.
2. What is moving air called?
Moving air is called wind.
3. What flies with the help of wind?
A kite flies with the help of the wind.
4. What is a balloon filled with?
A balloon is filled with air.
5. What should we do to keep air clean?
Planting trees keeps the air clean.