Q33. Why are people advised not to stand near fast moving train?
Q34. What are the destructions caused by cyclones?
Q35. What would happen if high-speed winds blew over the roofs of buildings?
Q36. Take a soft plastic bottle. Fill it with hot water. Empty the bottle and immediately cap it tightly. Place the bottle under running water. Shape of the bottle gets distorted. Explain why the bottle gets distorted?
Q37. You want to buy a house. Would you like to buy a house having windows but no ventilators? Explain your answer.
Q38. How will you help your neighbours in case cyclone approaches your village/town?
Q39. State two experiences that made you think that air exerts pressure (other than those given in the text).
Q40. What planning is required in advance to deal with the situation created by a cyclone?
Q41. Explain the formation of a cyclone.
What is a cyclone?