Silk is famous for its durability. It is actually stronger than many metal wires. In fact, it is the strongest natural fiber known to man. And what’s even more amazing is that it comes from an innocuous moth not known for its sturdiness. That’s the beauty of nature… it just keeps...
The secret to silk production is the tiny creature known as the silkworm, which is the caterpillar of the silk moth Bombyx mori. It feeds solely on the leaves of mulberry trees. Only one other species of moth, the Antheraea mylitta, also produces silk fiber. This is a wild creature, ...
2 pounds of silk. The process (工序) was _1 by theChinese about 5,000 years ago.2 is silk made? The process starts with silkworm eggs. The eggs are collected and kept warm. After afew days, silkworms come out of the eggs. They are3 leaves from mulberry trees (桑树) every 30...
1. C. The process starts with silkworm eggs. 2. D. After four days, making cocoons is over. 3. F. Usually, the silk threads are made into cloth. 4. B. People love silk clothes because they are beautiful and comfortable-silk feels cool in warm weather and warm in cold weather. 5....
How Is Silk Fabric Made? While the silk industry has expanded greatly during the last century, the processes used to make this fabric are still largely the same as they were in the ancient world. Once silkworm breeders have harvested silkworm cocoons, they usually expose them to high heat...
the silkwormbecomes very big.It is soft.It makes a lot of silk(丝)and becomes a silkwormcocoon(茧).It lives in the cocoon,then it becomes a moth.Finally,the cocoonopens:a moth(蛾)comes out.It is brown.It has wings.It can lay eggs(产卵).AB2D4brownblack3Ⅶ.看图读一读,把A-D填入...
The production of silk, however, is environmentally sustainable. This fabric is derived from the cocoons of silkworms, which are small insects that live out their life cycles on mulberry trees. Silkworm larvae eat mulberry leaves, which are grown without any need for pesticides or fertilizers, and...
What is the strongest natural fiber in the world? With so many natural fibres known for its tensile strength,silkis the toughest natural fibre found in our nature. One of the natural fibres known to man is its woven fabrics from the silkworm's or caterpillar's cocoon. ...
Bombyx mori (the domestic silk moth) is an insect from the moth family Bombycidae. The silkworm is the larva or caterpillar of a silk moth [35]. Nephila clavipes is generally famed as the golden silk orb-weaver or banana spider. These spiders are excellent web-builders, producing and ...
Learn all about silkworms - silkworm information, how to breed silkworms, and how to care for silkworms.