MEDIUM
7th CBSE
IMPORTANT
Earn 100

What is the main cause of wind movements on the surface of the earth?

Important Questions on Winds, Storms and Cyclones
MEDIUM
7th CBSE
IMPORTANT
The uneven heating of earth (which produces winds) can take place under two situations. What are these two situations?

MEDIUM
7th CBSE
IMPORTANT
Describe how winds are produced by the uneven heating on the earth between the equator and the poles.

MEDIUM
7th CBSE
IMPORTANT
Why do the winds produced by the uneven heating on the earth between the equator and the poles not blow in the exact north-south direction?

MEDIUM
7th CBSE
IMPORTANT
Explain how uneven heating of 'land' and 'ocean water' in summer generates winds.

MEDIUM
7th CBSE
IMPORTANT
Explain why, if you hold a thin strip of paper just below your lips and blow air over its surface from your mouth, the strip of paper lifts up.

MEDIUM
7th CBSE
IMPORTANT
What conclusion do you get from the observation that if you hold a thin strip of paper just below your lips and blow air over its surface from your mouth, the strip of paper lifts up?

MEDIUM
7th CBSE
IMPORTANT
Explain why, when we blow air in the space between two inflated balloons (carrying a little water each) and hanging about apart on a stick, the two balloons come closer.

MEDIUM
7th CBSE
IMPORTANT
A small paper ball is kept in the neck of a glass bottle held horizontally. Explain why it is difficult to force the paper ball into the bottle by blowing air into the bottle.
