HARD
7th Tamil Nadu Board
IMPORTANT
Earn 100
Explain the waxing and waning phases in Venus.
Chapter-Wise 3D Science Videos from Tamil Nadu Board Science Standard 7 Term III
05 min 54 sec
History of Origin of Universe
The widely accepted theory for the origin and evolution of the universe is the Big Bang model. Watch this video to learn more.
09 min 01 sec
Indian Space Research Organisation (ISRO)
You must have heard about the ISRO. Do you know the full form of "ISRO"? Let's get into this video and know the history and achievements of ISRO.
12 min 50 sec
