MEDIUM
7th Tamil Nadu Board
IMPORTANT
Earn 100

The first man-made fibre is _____.

67.74% studentsanswered this correctly

Chapter-Wise 3D Science Videos from Tamil Nadu Board Science Standard 7 Term III

Discovery of Silk
04 min 52 sec

Discovery of Silk

Silk is the queen of fabrics. It routes from China. Silk is considered a luxury fabric. Let us learn all about this fabric it in this video!
How Is Silk Made?
03 min 10 sec

How Is Silk Made?

Silk is one of the most sought-after and valued fabrics in the world. But how did it come into being, and how is it made? Let's find out in this video.
The Head Spinning Tale of Yarn
03 min 30 sec

The Head Spinning Tale of Yarn

The spinning devices take fibers from the sliver and rotate it up to 2,500 revolutions in a second twist that makes fibers into a yarn for weaving or knittin...