Winds, Storms and Cyclones

Which of the statements given below is correct?

(i) In winter the winds flow from the land to the ocean.

(ii) In summer the winds flow from the land towards the ocean.

(iii) A cyclone is formed by a very high-pressure system with very high-speed winds revolving around it.

(iv) The coastline of India is not vulnerable to cyclones.

Which of the following places is unlikely to be affected by a cyclone?

(i) Chennai (ii) Mangaluru (Mangalore)

(iii) Amritsar (iv) Puri

What planning is required in advance to deal with the situation created by a cyclone?

How will you help your neighbours in case cyclone approaches your village/town?

Explain why holes are made in hanging banners and hoardings.

You want to buy a house. Would you like to buy a house having windows but no ventilators? Explain your answer.

State two experiences that made you think that air exerts pressure (other than those given in the text).

Suggest two methods to find out wind direction at a given place.

Fill the missing word in the blank spaces in the following statements:

(a) Wind is ________ air.

(b) Winds are generated due to ________ heating on the earth.

(c) Near the earth's surface __warm__ air rises up whereas _______ air comes down.

(d) Air moves from a region of __________pressure to a region of ________ pressure.