--- title: Spider-Man: real spider silk and webs — a lesson of Mova's school · trees and pragmatics description: «Spider-Man: real spider silk and webs», a lesson of the biology course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: Spider-Man shoots webs from his wrists, swings between skyscrapers on a single thread and stops a runaway train with a giant web. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / Spider-Man: real spider silk and webs # Spider-Man: real spider silk and webs Lesson 147 of the biology course of Mova's primary school: 14 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0). How Mova does on its tests: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/biology/147-spider-man-real-spider-silk-and-webs/). - [0](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/0/) — Spider-Man shoots webs from his wrists, swings between skyscrapers on a single thread and stops a runaway train with a giant web. - [1](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/1/) — Real spiders make silk in glands inside the abdomen and pull it out through little nozzles called spinnerets at the back end; it starts as a liquid and turns into a thread as it is stretched. - [2](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/2/) — Weight for weight, some spider silk is stronger than steel and far stretchier, so it soaks up the crash of a flying insect without snapping, but a real thread is far too thin to hold a person. - [3](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/3/) — On an autumn morning, look at a hedge: dew sparkles on dozens of round webs you never noticed, each with a garden spider waiting in the middle, feeling for the shiver of a trapped fly. - [4](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/4/) — Spiders make silk in glands in the abdomen and pull it out through spinnerets at the back end, not from wrists or legs. - [5](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/5/) — A spider can make several kinds of silk: sticky silk for catching, strong dry silk for the web's frame and soft silk for wrapping eggs. - [6](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/6/) — Orb weavers build a fresh round web, often every day or night, with a sticky spiral across strong spokes, and many eat the old web to recycle the silk. - [7](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/7/) — Weight for weight, some spider silk is stronger than steel and far stretchier; Darwin's bark spider spins webs across rivers up to about 25 metres wide. - [8](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/8/) — Many young spiders travel by ballooning: they let out threads from a high point and float away on the air, sometimes far out to sea. - [12](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/12/) — Not all spiders build round webs: some build funnels, sheets or tangles, and some build none at all. - [13](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/13/) — A spider has eight legs; an insect, such as a fly, has six. - [14](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/14/) — A golden cape was woven from the silk of over a million golden orb weaver spiders in Madagascar; spiders cannot be farmed like silkworms because they eat each other. - [15](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/15/) — Real silk of Spider-Man's thickness could not stop a train, but silk is very good at soaking up energy by stretching. - [16](https://md.mova.elamur.ai/free/en/corpora/school/biology/147-spider-man-real-spider-silk-and-webs/16/) — Dew collects on the cool threads at night and shows how many webs there are, often thousands in a garden in autumn. - ← previous: [Shrek's dragon: real «dragons» and lizards, and why nothing breathes fire](https://md.mova.elamur.ai/free/en/corpora/school/biology/146-shrek-s-dragon-real-dragons-and-lizards/) - next →: [Spider-Man: real spider senses, climbing and bites](https://md.mova.elamur.ai/free/en/corpora/school/biology/148-spider-man-real-spider-senses-climbing-and-bites/) - ↑ back to [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/)