PPT ON ENVRONMENT FOR CLASS VII

PRESENTED BY: MRS F. BEGUM

TGT,SST

JNV, KALYANI, NADIA [WB].

INTRODUCTION

• Environment is our surrounding the things which we see and use for everyday activities even from a small sheet of paper to big tall buildings.

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The Four Major Domains of the Earth:

BIOSPHERE

Where all the other three spheres are interact with each other.

What is an Environment and Natural Environment?

• The surroundings or conditions in which a person , animal or plants lives.
• Natural Environment is our basic life support system. It provides us with basic essential things like air we breath, Water we drink and food we eat

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• Hydrosphere is referred to water. It comprises various sources of water and different types of water bodies like rivers,lakes,seas, oceans etc.It is necessary for all living organisms.

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• Atmosphere is the thin layer of air that surrounds the earth . The gravitational force of the earth holds the atmosphere around. It protect us from the harmful rays and the scorching heat of the sun.

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THANK YOU…