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Subjects
Science CBSE
Class 8 New
Pressure, Winds, Storms, and Cyclones
Pumpa Practice Questions
17.
Cause and effect of atmospheric pressure
Exercise condition:
2
m.
Find the effect for the cause given below:
1. Cause:
The glass filled with water is inverted with a cardboard covering its mouth.
Effect:
The water evaporates
The water immediately falls out
The cardboard remains in place due to air pressure
The cardboard becomes heavier
2. Cause:
Air is sucked out from the straw.
Effect:
The air pressure inside the straw becomes zero
The air pressure inside the straw remains the same
The air pressure inside the straw decreases
The air pressure inside the straw increases
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