Question

write an experiment / activity to show that air exert pressure.

Answer 1

Air has weight which exerts force on everything at all times. The force exerted by air over a given area is called atmospheric pressure. It is the weight of atmosphere pressing down on earth’s surface. It is measured using a barometer. Air pressure decreases with increasing altitude.

This is because layers of air reduce with increase in height form the ground. You will notice your oxygen demand increases at high altitude. You may also experience discomfort when in an airplane. This is caused by changes in air pressure.

Answer 2

Hey here's your answer
Air exerts pressure and due to this pressure we see falling of leaves by wind, flying of kites and fluttering of flags. An activity :-
for this you need a tin can with lid a tripod stand,candle water and Matchbox. this decrease the air pressure inside the can than the pressure exerted outside outside the can.
Hope it's helpful
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