Silk is the thread in silk fabric.
Silk makes a very smooth fabric, and is used to make fabric because of this. The reason for the smoothness is partly because of the tightness of the weave, and the fact that silk, or rather, the silk thread, is smooth itself when put into comparison with wool, which has a thread covered in miniature hooks. Silk has no such hooks.
a silk thread would be perfect or an ordinary cotton will do
Pure silk is all silk, these terminologies used to describe thread, yarn or fabric.
a million
As far as possible, thread type should be matched to the fabric being used. Therefore, use cotton thread for cotton fabrics, silk thread for silk fabrics and polyester thread for any heavier and/or manmade fabrics.
Yes, sort of. Silk is a thread (which can be made into a yarn) produced by the pupating Silk Moth caterpillar.
This needlework is embroidery stitched with wool thread instead of cotton or silk thread.
A silk worm.
The silk that is made into the cloth is the thread that the silkmoth caterpillar spins to make its cocoon. Thus the cocoons are boiled to kill the pupa and free the silk thread.
Silk worms are killed to make silk which is a sought after soft fabric. It takes 15 silk worms to make a single gram of silk thread.
Silk is the fine thread that comes off the cocoon of a silk-worm. Several strands of silk has to be combined, before the silk is strong enough to be woven into a fabric.