NCERT solutions for Class 7 Science Chapter 8 Winds, Storms and Cyclones: Air around us exerts pressure and it expands on heating and contracts on cooling. Warm air rises up, whereas comparatively cooler air tends to sink towards the earth’s surface. In NCERT solutions for Class 7 Science Chapter 8 Winds, Storms and Cyclones, you will get to know about how as warm air rises, air pressure at that place is reduced and the cooler air moves to that place. The moving air is called wind. Uneven heating on the earth is the main cause of wind movements. Winds carrying water vapour bring rain. High-speed winds and air pressure difference can cause cyclones. It has become easier to monitor cyclones with the help of advanced technology like satellites and radars. In CBSE NCERT solutions for Class 7 Science Chapter 8 Winds, Storms and Cyclones, you will also learn that self-help is the best help. Therefore it is better to plan in advance and be ready with defence against any approaching cyclone. The solutions of NCERT for class 8 scence chapter 8 Winds, Storms and Cyclones are prepared in a very comprehensive manner. You can also check out the solutions of NCERT for other chapters in science or even for other subjects by using the given links on this page.
Here are the important topics of NCERT Solutions for Class 7 Science Chapter 8 Winds, Storms and Cyclones mentioned below:
8.1 Air Exerts Pressure
8.2 High Speed Winds Are Accompanied by Reduced Air Pressure
8.3 Air Expands on Heating
8.4 Wind Currents Are Generated Due to Uneven Heating on the Earth
(a) Uneven heating between the equator and the poles
(b) Uneven heating of land and water
8.5 Thunderstorms and Cyclones
How a thunderstorm becomes a cyclone
8.6 Destruction Caused by Cyclones
8.7 Effective Safety Measures
Action on the part of the people
8.8 Advanced Technology Has Helped
This will also tell you about some other precautions if you are staying in a cyclone hit area —
After going through this chapter, you must be able to get the NCERT Solutions of these questions which are mentioned below, as these questions are from the Science book of NCERT.
Q1. Explain why holes are made in hanging banners and hoardings.
Q2. How will you help your neighbours in case cyclone approaches your village/town?
Q3. What planning is required in advance to deal with the situation created by a cyclone?
Q4. Which one of the following place is unlikely to be affected by a cyclone.
(ii) Mangaluru (Mangalore)
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7. What planning is required in advance to deal with the situation created by a cyclone?
6. How will you help your neighbours in case cyclone approaches your village/town?
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.