What's the correct order of making silk? ①Silkworms start to make cocoons. ②Threads are made from the cocoons. ③Cocoons are heated and put into water. ④feed the silkworms with mulberry leaves. ⑤Collect the eggs of a certain kind of insect. A.⑤④①②③ B.④①③②⑤ C.⑤④①...
crapes, flour-bolting cloth, and for what is termed ''souples "—the silk is not scoured, and for silks to be dyed certain dark colours half-scouring is practised. The perfect scouring of French silks removes from 25 to 27 per cent, of their weight, and Chinese ...
(4)What's the correct order of making silk? ( )① Silkworms start to make cocoons.② Threads are made from the cocoons.③ Cocoons are heated and put into water.④ Feed the silkworms with mulberry leaves.⑤ Collect the eggs of a certain kind of insect. ...
even though I knew one now had to be empty. What I learned via someYouTube researchis thatthe moth emerges from a pretty small hole on one end of the cocoon. This hole is called the "vent".When spinning the silk, the caterpillar...
What is Silk Fabric? Silk is a natural material that is created by insects. Silkworms, honey bees, bumblebees, weaver ants, and more insects create silk for their nests or cocoons. Most of our silk comes from silkworms, orbombyx morilarvae, which live on mulberry trees. Silk has an impo...
3. What’s the correct order of making silk? ①Silkworms start to make cocoons. ②Threads are made from the cocoons. ③Cocoons are heated and put into water. ④feed the silkworms with mulberry leaves. ⑤Collect the eggs of a certain kind of insect. ...
(Chen et al.2012). The silk proteins are issued from what were formerly salivary (labial) glands, that have been modified throughout evolution into silk glands (Suzuki et al.1972). These silk glands (one bilateral pair) extend through the whole body of the insect: the posterior part ...
3. What can we infer from Paragraph 4? A.The viewers showed much interest in all the guests in the reality show. B.The viewers had little interest in Silk Road culture. C.The viewers may watch the program only on TV. D.The viewers may start a journey along the Silk Road. ...
What animal produces silk? Although silk fiber can be produced by a number of insect species (bees, wasps, spiders, etc.), silk that is sold as thread is produced exclusively by animals we call “silkworms.” Silk is used to make all sorts of clothing, like ties, scarves, shirts, blous...
Comprised of a natural protein fiber, silk mainly consists of fibroin, which is a protein that certain types of insect larvae secrete to make cocoons. While other insects also produce silk-like substances, most of the world’s silk is derived fromBombyx morilarvae, which are worms that only ...