MEDIUM
9th Tamil Nadu State Board
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What is an Earthquake and how it occurs?

Chapter-Wise 3D History, Geography, Civics, Economics Videos from Tamil Nadu Board Standard Nine Social Science

06 min 19 sec
Biosphere
The biosphere is the zone where life sustains. Let us look at the domain that supports us and other living beings. Watch this informative video.
05 min 18 sec
Structure and Composition of The Atmosphere
The atmosphere holds the air that we breathe and it protects us from the harmful heat from the sun. It has five layers divided based on temperature, composition and other factors.
04 min 48 sec