How does nature balance our life? What is the result if this balance is disturbed?

5

(a)

Distinguish between rainfall and snowfall.

5

(a)

Discuss the different layers of the atmosphere

5

(a)

Discuss wind and its types briefly.

5

(a)

What is air pressure? Briefly discuss about low pressure and high pressure areas.

5

(a)

Observe the following picture and answer the questions that follow

1.Is global warming a serious issue in today's world?
2.In the above newspaper cutting, state one reason for global warming.
3. What is according to you, a way out of global warming

5

(a)

Make a weather calendar for one week. Use pictures or symbols to show different types of weather. You can use more than one symbol in a day, if the weather changes. For example, the sun comes out when rain stops. An example is given below:

5

(a)

Give an account of the different layers of the atmosphere.

5

(a)

What are the various categories of wind? Explain with diagram.

5

(a)

Explain the process of water cycle.

5

(a)