Air Exerts Pressure

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Air Exerts Pressure: Overview

This topic covers concepts, such as, Wind, Air Pressure, Flying of Kite, Rowing of Boat & Riding a Bike against Wind etc.

Important Questions on Air Exerts Pressure

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For propelling the boat, the rows (long sticks) act as a:

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It is easier to row a boat in the direction of wind because the wind exerts a _____ on both the boat and on the persons sitting in it in the same direction of their motion.

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What is the advantage of using long sticks or rows to move boats?

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It is easier to row a sail boat against the direction of wind.

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Explain the effect of windflow on the rowing of a boat.

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The weight of air acting on a surface causes _____.

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Why do people use the stick as shown in the figure? What do they do with this stick? 
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Bring a tumbler up to your mouth. Suck air out of the tumbler. See what happens. Why does it get stuck to your mouth?

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State two uses of siphon.

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Give an experiment to show how air pressure helps to push down or lift the liquid up in the straw.

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Name the gadgets in daily use which make use of air pressure.

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Cite some examples which are based on the principle that air exerts pressure.

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Describe an experiment to prove that air exerts pressure.

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Describe an experiment to prove that air has weight.

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What happens to the boat when it is rowed in the direction of wind.

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It is easier to row the boat when the wind is against the direction of rowing.

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Which of the following terrestrial animals are adapted to live in the desert?

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Emily's family went for a jungle safari ride. Suggest a place where they can spot a lion Question Image

 

 

 

 

 

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Which of the following aquatic animals do not have a streamlined body?

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Which of the following is an adaptation found in camel to prevent heat loss in desert?