What is atmospheric pressure? Describe an experiment to demonstrate that air exerts pressure. List Some daily life experiences that show that air exerts pressure.

We are able to drink liquids using a straw. Explain why.

What is atmospheric pressure?

List five uses of air pressure.  

Solve the ladder word puzzle with the help of clues given alongside.

Clues

$1.$ Heavily falling water along with rising warm air producing heavy rain, lightning, sound and strong wind. $\left(12\right)$
$2.$ Cyclones originating from China sea. $\left(7\right)$
$3.$ Tornado formed over the sea. $\left(11\right)$
$4.$ Place on the earth which receives more sunlight. $\left(16\right)$
$5.$ Tropical cyclones in the Gulf of Mexico, the Caribbean Sea and Western Pacific Ocean. $\left(10\right)$
$6.$ From where colder air moves down. $\left(11\right)$
$7.$ Storms that form very suddenly on the land. $\left(7\right)$
$8.$ The atmospheric layer where the ozone layer exists. $\left(12\right)$