NCERT Class VII Science Solutions: Chapter 8-Winds, Storms and Cyclones Part 3 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 5:

Explain why holes are made in hanging banners and hoardings.


Air exerts pressure in all directions. If banners and hoardings do not have holes, pressure exerted by wind may tear them off or make them fall. Holes let the air pass through and reduce the air pressure on banners and hoardings.

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Question 6:

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


On approaching of the cyclone, we should do the following:

  • Help our neighbors and friends in shifting their important household goods, cattle and vehicles to safer places.
  • Communicate with government agencies like police, fire brigade, medical centres and other emergency service points as per requirement.
  • We should store water for safe drinking.
  • We should avoid driving roads nearby flood hit areas.
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