CBSE Class 6 Science Air and Its Presence
- what are important properties of air.
- What is air?
- Define a mountain and state its important uses?
- how will you prove that air occupies space with diagram
- why we breathe out hot air to clean spectacles spectacles
- what is air
- where is air
- what is barometer
- A lump of cotton, wool shrink in water
- How we can we prevent air from air pollution?