1. Air is a mixture of gases that we cannot see but is all around us.
2. We need air to breathe and stay alive.
3. Oxygen in the air helps humans and animals breathe.
4. Plants use carbon dioxide from air to make their food.
5. Air helps in burning things like firewood or candles.
6. Wind is moving air, and it helps in drying clothes and flying kites.
7. Air protects us from the Sun’s harmful rays.
8. Birds and airplanes fly through air.
9. Air keeps our Earth cool and warm in the right way.
10. We should not pollute air, because clean air keeps us healthy.
change important to importance.
Can we live without air for even a few seconds? What happens to the body during air deprivation?
Why does the air feel different at the beach compared to the mountains?
Why can we smell certain things in the air even from a distance?
How does air help in the transmission of sound?
What would Earth be like if there were no atmosphere?