MCQ on Class 3 Air Water and Weather

1. The term ……………… refers to a form of liquid or solid water falling to Earth from the atmosphere.

2. ………. is a mixture of gases such as oxygen, carbon dioxide, water vapour, smoke, and dust.

3. ………… is a thin layer of ice crystals that is formed due to very cold weather.

4. A chemical called…………… is added to water to kill germs.

5. Our planet is surrounded by a blanket of air called …………

6. Rain, dew, frost, and fog are all types of water.

7. The amount of water vapor in the air is called ……………

8. ……………… are very strong winds that can cause damage and destruction

9. ………………. involves passing unclean water through filter paper.

10. The hot air moves in……………..direction.

11. At night …………….. is the cool air from the land that flows towards the sea.

12. Mist is a mild form of fog.

13. Water droplets or ice crystals suspended in the air are called …………..

14. The cool air from the sea moves towards the land and replaces it. It is known as ……………

15. The process of converting liquid water into gas is called ……………..

16. About 78% of this gas is found in the atmosphere…………

17. ……………. impurities are those impurities in water that are visible but are not soluble in water