SEBA Class 7 Science Important Chapter 8 Winds, Storms and Cyclones

SEBA Class 7 Science Important Chapter 8 Winds, Storms and Cyclones Solutions English Medium As Per SEBA New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters SEBA Class 7 General Science Additional Solutions and select need one. SCERT Important Solutions For Class 7 General Science Download PDF. Important Notes for Class 7 Science SCERT.

SEBA Class 7 Science Important Chapter 8 Winds, Storms and Cyclones

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. Assam SEBA Board Class 7 Science Additional Question Answer are part of All Subject Solutions. Here we have given SCERT Class 7 General Science Important Notes for All Chapters, You can practice these here.

Winds, Storms and Cyclones

Chapter: 8

IMPORTANT QUESTION ANSWER

A. Very Short Type Questions & Answers:

1. What is wind?

Ans: Moving air is called wind.

2. What causes air to exert pressure?

Ans: Air exerts pressure because the molecules in air collide with surfaces and exert force.

3. What is a cyclone?

Ans: A cyclone is a violently rotating column of air that forms around a low-pressure center, often bringing heavy rain and strong winds.

4. What happens when air is heated?

Ans: Air expands on heating, becomes lighter, and rises up.

5. What is the eye of a cyclone?

Ans: The eye is the calm central region of a cyclone, free of clouds and with low wind.

6. What instrument measures wind speed?

Ans: Wind speed is measured using an anemometer.

7. What is the effect of fast-moving air on pressure?

Ans: Fast-moving air reduces air pressure in that region.

8. What precautions should be taken during a thunderstorm?

Ans: Avoid open areas, don’t take shelter under isolated trees, and avoid metal objects.

9. Why do cyclones cause flooding in coastal areas?

Ans: Strong winds push sea water toward the shore, causing water levels to rise and flood low-lying areas.

10. What are tornadoes?

Ans: Tornadoes are funnel-shaped clouds that extend from the sky to the ground and rotate at high speed.

B. Fill in the Blanks:

1. Air moves from a region of ______________ pressure to a region of low pressure.

Ans: High.

2. The centre of a cyclone is known as the ______________.

Ans: Eye.

3. The instrument used to measure wind speed is called an ______________.

Ans: Anemometer.

4. A cyclone is also called a ______________ in the American continent.

Ans: Hurricane.

5. Tornadoes are ______________ shaped clouds that reach from sky to ground.

Ans: Funnel.

C. True or False:

1. Cyclones are high-pressure systems.

Ans: False.

2. Air expands and rises when heated.

Ans: True.

3. The eye of a cyclone is the most violent part.

Ans: False.

4. Tornadoes are common in India.

Ans: False.

5. Fast-moving air reduces air pressure.

Ans: True.