PRESENTATOIN ON The atmosphere

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Presentation transcript:

PRESENTATOIN ON The atmosphere

SPHERES OF EARTH ATMOSPHERE (AIR), HYDROSPHERE (WATER), BIOSPHERE (LIFE), LITHOSPHERE (LAND) THERE ARE 4 TYPES OF SPHERES ARE

COMPOSITION OF THE ATMOSPHERE NITROGEN = 78% OXYGEN = 21% CARBON DIOXIDE = 0.03% OTHER(ARGON,OZONE,WATER VAPOUR) = 0.97%

The cooler air from the sea moves towards the land during the day The cooler air from the sea moves towards the land during the day . This breeze is called sea breeze Sea breeze Land breeze The warm air over the sea rises so, the pressure over the sea lowers than the pressure over the land , therefore, blows out towards the sea This is known as land breeze

An anemometer A wind vane An anemometer is used to measure the speed of wind ,it consists of three or four cups attached to a rotating shaft A wind vane A wind vane is used for recording the direction from which a wind is blowing

Submitted to DELL BY AMANPARI JOSHI RYAN INTERNATIONAL SCHOOL CLASS = 7 TH