HARD
Earn 100

What is atmospheric pressure? Describe an experiment to demonstrate that air exerts pressure. List Some daily life experiences that show that air exerts pressure.
Important Questions on Motion, Force and Pressure
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We are able to drink liquids using a straw. Explain why.

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The wind blows because of air pressure.

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A balloon collapses when air is removed from it.

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HARD
Solve the ladder word puzzle with the help of clues given alongside.
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1T | D | M | |||||||||||||||||||
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2T | H | O | |||||||||||||||||||
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3W | R | P | O | ||||||||||||||||||
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4E | A | A | R | G | |||||||||||||||||
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5H | R | C | E | ||||||||||||||||||
6P | |||||||||||||||||||||
7T | R | A | |||||||||||||||||||
E | |||||||||||||||||||||
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8S | T | S | E | ||||||||||||||||||
U | |||||||||||||||||||||
R | |||||||||||||||||||||
E |
Clues
Heavily falling water along with rising warm air producing heavy rain, lightning, sound and strong wind.
Cyclones originating from China sea.
Tornado formed over the sea.
Place on the earth which receives more sunlight.
Tropical cyclones in the Gulf of Mexico, the Caribbean Sea and Western Pacific Ocean.
From where colder air moves down.
Storms that form very suddenly on the land.
The atmospheric layer where the ozone layer exists.

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EASY
Two holes are made in a sealed oil tin to take out oil from it.

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