MCQ on Class 3 Air Water and Weather

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

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

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

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

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

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

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

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

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

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

11. Mist is a mild form of fog.

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

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

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

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

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

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