Winds, Storms and Cyclones Sample Questions for Class 7
Question 1
Which of the following is the incorrect statement?
A. Air pressure is maximum at the sea level
B. Air pressure reduces when air moves with high speed
C. Force can be generated by creating a difference in air pressure
D. More the air pressure inside the can than outside, the can will be crushed.
Question 2
Which of the following causes wind currents?
A. Uneven heating between poles and equator
B. Difference in the air pressures
C. Uneven heating between land and water
D. All of the above
Question 3
The branches of tree sway, the curtain moves when wind blows because _________.
A. Air exert pressure
B. Air occupies space
C. Air is moving
D. Air is colourless
Question 4
In the experiment shown the strip of paper will move ________ because of _______ air pressure from upward.
A. Upward, reduced
B. Upward, increased
C. Downward, reduced
D. Downward,increased
Question 5
The air pressure ________ with _____ wind speed.
A. Increases, Increased
B. Decreases , Increased
C. Decreases, Decreased
D. Increased, Decreased