NCERT Solutions for Class 7 Science Chapter 8 Winds Storms And Cyclones

NCERT solutions for class 7 science chapter 8 winds storms and cyclones banner image
author_logo

Written by Team Trustudies
Updated at 2021-02-11


NCERT solutions for class 7 Science Chapter 8 Winds Storms And Cyclones Exercise

Q.1 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.



NCERT Solutions for Class 7 Science Chapter 8 Winds Storms And Cyclones


Answer :

(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 pressurere to a region of low air pressure.

Q.2 Suggest two methods to find out wind direction at a given place.



NCERT Solutions for Class 7 Science Chapter 8 Winds Storms And Cyclones


Answer :

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) Take a piece of a thread in your hand. Allow it to fall from your hand. It will flow in the direction in which wind is blowing.

Q.3 State two experiences that made you think that air exerts pressure (other than those given in the text).



NCERT Solutions for Class 7 Science Chapter 8 Winds Storms And Cyclones


Answer :

(i) Balloons and balls can be used only when they are inflated with air. When balloon is overfilled with air it bursts due to excessive air pressure.
(ii) Blowing air can move cirtains on doors and windows.

Q.4 You want to buy a house. Would you like to buy a house having windows but no ventilators? Explain your answer.



NCERT Solutions for Class 7 Science Chapter 8 Winds Storms And Cyclones


Answer :

No, a house which has no ventilators is not a safe or healthy house to live in. The air circulation is not there in such a house. So, it has no fresh air. Because warm air rises up and goes out through ventilators and fresh air comes in through windows.

Q.5 Explain why holes are made in hanging banners and hoardings.



NCERT Solutions for Class 7 Science Chapter 8 Winds Storms And Cyclones


Answer :

Blowing air passes through the hole and thus the banner withstand less pressure.

Q.6 How will you help your neighbours in case cyclone approaches your village/town?



NCERT Solutions for Class 7 Science Chapter 8 Winds Storms And Cyclones


Answer :

(I) By warning everyone about the coming danger.
(ii) searching the shelter.
(iii) keeping storage of water and food.
(iv) By calling emergency services such as fire station, police and medical centres.

Q.7 What planning is required in advance to deal with the situation created by a cyclone?



NCERT Solutions for Class 7 Science Chapter 8 Winds Storms And Cyclones


Answer :

(i) Setting up cyclone shelter.
(ii) setting up food and water storage.
(iii) setting up first aid facilities.

Q.8 Which one of the following places is unlikely to be affected by cyclone?
(i) Chennai
(ii) Mangalore
(iii) Amritsar
(iv) Puri



NCERT Solutions for Class 7 Science Chapter 8 Winds Storms And Cyclones


Answer :

(iii) Amritsar

Q.9 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.



NCERT Solutions for Class 7 Science Chapter 8 Winds Storms And Cyclones


Answer :

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



FAQs Related to NCERT Solutions for Class 7 Science Chapter 8 Winds Storms And Cyclones
There are total 9 questions present in ncert solutions for class 7 science chapter 8 winds storms and cyclones
There are total 0 long question/answers in ncert solutions for class 7 science chapter 8 winds storms and cyclones
There are total 1 exercise present in ncert solutions for class 7 science chapter 8 winds storms and cyclones
Get it on Google Play

Download Trustudies app to get complete NCERT solutions for class 6 - 10