Winds storms and cyclones questions and answers
Answers
Explanation:
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 __________air rises up whereas ___________ air comes down.
(d) Air moves from a region of ——— pressure to a region of——— pressure.
Solution:
(a) Wind is moving air.
(b) Winds are generated due to uneven heating on the earth.
(c) Near the earth’s surface, warm air rises up whereas cold air comes down.
(d) Air moves from a region of high air pressure to a region of low air pressure.
2. Suggest two methods to find out wind direction at a given place.
Solution:
Methods to finding out the wind direction at a given place are as follows
i. By seeing the direction of dry leaves released in the air.
ii By seeing the direction in which it is difficult to ride the bicycle.
3. State two experiences that made you think that air exerts pressure (other than those given in the text).
Solution:
i. When we fill the air in the balloon, it becomes tight and if we try to fill more air balloon will get burst which proves air exerts pressure.
ii. Wind causes curtains, doors and windows to move with the direction of the wind. This demonstrates air exerts pressure.