The properties of air :

Air has weight.

Air occupies space 

Air is invisible. 

Uses of air :

Airoplane ✈️ 

Our body 🕺

Tyre 🛞

Windmills/ Windturbines

To light fire 🔥 

Fir plants 

For rain ☔ 

Hot air balloons

Types of air: 

Oxygen 

Nitrogen 

Carbon dioxide 

Other gases

Thankyou everyone 😀