Winds, Storms and Cyclones

Grade 7 Science — Winds, Storms and Cyclones: 25 practice questions with instant scoring and explanations.

1. Wind is caused by
2. Air moves from regions of
3. A thunderstorm consists of
4. Thunder is the sound produced by
5. Lightning is a discharge of
6. A cyclone is characterized by
7. A tornado is
8. Cyclones in the Indian Ocean are called
9. The wind speed in a severe cyclone can exceed
10. The safest place during a thunderstorm is
11. During a thunderstorm, it is dangerous to
12. The low-pressure region at the center of a cyclone is called the
13. In the eye of a cyclone, the weather is usually
14. Barometric pressure decreases before a
15. A weather forecast can help people to
16. Lightning usually strikes
17. The time gap between lightning and thunder tells us
18. Air pressure is measured using a
19. Wind speed is measured using a
20. A strong wind flowing continuously in a region is called
21. The property of air that makes it move from one place to another is its
22. Hail forms when water droplets freeze in
23. During monsoon season, winds blow predominantly from
24. A storm surge is dangerous because it
25. Safety measures during a cyclone include