Spider-Man: real spider silk and webs

Tests: 3 of 11 right · Exam: 2 of 4 right · Kind: plain · Understood: 9 of 15 · Run: 2026-10-18, commit f3c23ea72

Lesson 147 of the biology course of Mova's primary school, as Mova's small model took its tests: it had read this lesson and the ones before it and learned from their exercises. Each test shows the options in the order the student saw them, its choice, the right answer, the score of every option and why it chose. The lesson itself, sentence by sentence with trees and pragmatics: the lesson in the corpora.

Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: the lesson's questions in the corpora.

Test 1 · right ✓

«3 spiders in the bath, how many legs is that, shut up and count»

1. 24 — ← Mova's choice · ✓ the right answer · no support
2. 32 — no support
3. 18 — no support
4. 12 — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 2 · wrong ✗

«spider ate 2 flies, how many legs were in that web before lunch, spider too»

1. 24 — ← Mova's choice · no support
2. 16 — no support
3. 20 — ✓ the right answer · no support
4. 14 — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 3 · wrong ✗

In a cartoon, a spider shoots silk out of its mouth. What is real?

1. Silk comes out of the mouth, just like that — ← Mova's choice · no support
2. Silk comes out of spinnerets at the back end — ✓ the right answer · no support
3. Silk comes out of all eight legs — no support
4. Silk comes out of the eyes — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 4 · wrong ✗

«tiny spider just flew past my face on a string, they can fly??» What is happening?

1. The wind blew its old web away and the spider was still holding on — score 2
2. Spiders have small hidden wings — ← Mova's choice · score 3
3. It is ballooning: a silk thread caught the air and carried it — ✓ the right answer · no support
4. It was thrown by a bigger spider — score 3

Why: It took the question to ask which statement is true. It chose option 2 with score 3, tied with another option at 3 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 38, line 1: «Spiders are not insects: they are arachnids, with eight legs, a body in only two parts, no feelers, no wings, and usually eight eyes.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «arachnids» (+2); the same doer «spiders» (+1). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 5 · wrong ✗

What would happen if a spider fell into the sticky part of a stranger's web?

1. The web would let it go straight away — ← Mova's choice · score 6
2. Nothing, spiders never stick to any web — no support
3. It would eat the web at once — score 0
4. It could get stuck just like a fly — ✓ the right answer · score 1

Why: It took the question to ask what happens next. It chose option 1 with score 6, against 1 for the next best. Its support: lesson 38, line 6: «Spiders are arachnids: they have eight legs, a body in two parts, no feelers and no wings, and most have eight eyes.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «spiders» (+3); the same thing acted on «arachnids» (+3). The right option, 4, scored 1. · the question and its options parsed, with trees and pragmatics

Test 6 · right ✓

«Spider-Man stopped a whole train with webs, real silk could do that» What is right?

1. Yes, any spider web you find in a garden could stop a moving train — score 4
2. Silk of that thickness could not, though silk is very good at soaking up force — ← Mova's choice · ✓ the right answer · score 9
3. No, silk cannot stretch at all — score 6
4. Yes, one real thread could stop a train — score 2

Why: It took the question to ask which statement is true. It chose option 2 with score 9, against 6 for the next best. Its support: lesson 147, line 16: «Real silk of Spider-Man's thickness could not stop a train, but silk is very good at soaking up energy by stretching.», reached through the option's own match among the sentences about the question's things. What matched: the same property (+4); the same light verb (be, have, do, get, go) (+4); the same doer «silk» (+1). · the question and its options parsed, with trees and pragmatics

Test 7 · right ✓

The garden spider's web is gone in the morning and a new one is up by evening. Where did the old silk go?

1. The rain melts it into the soil — no support
2. The wind always blows it away to the next garden, where another spider uses it — score 1
3. Many orb weavers eat the old web and reuse the silk — ← Mova's choice · ✓ the right answer · score 3
4. Birds take every web for their nests — no support

Why: It took the question to ask where. It chose option 3 with score 3, against 1 for the next best. Its support: lesson 147, line 7: «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.», reached through the option's own match among the sentences about the question's things. What matched: the same action «eat» (+2); the same thing acted on «old web» (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 8 · wrong ✗

«why's there a web like a tube in the corner of the shed, broken spider?» What is right?

1. Only sick spiders build funnels — ← Mova's choice · score 6
2. It is just an ordinary round web that the wind has rolled up into a tube — score 0
3. The spider forgot how to build a round web — score 2
4. Some spiders build funnel webs to catch walking insects — ✓ the right answer · score 2

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 6, against 2 for the next best. Its support: lesson 147, line 13: «Not all spiders build round webs: some build funnels, sheets or tangles, and some build none at all.», reached through the same lesson line as the sentence the question matched. What matched: the same action «build» (+5); a different doer (counts against) (+1). The right option, 4, scored 2. · the question and its options parsed, with trees and pragmatics

Test 9 · wrong ✗

Darwin's bark spider spins a web across a river. About how wide can it be?

1. Exactly 1 metre — ← Mova's choice · no support
2. About 2 kilometres — no support
3. About 25 centimetres — no support
4. Up to about 25 metres — ✓ the right answer · no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 10 · wrong ✗

«spider dropped off the ceiling right onto my desk, how'd it get back up» How?

1. It flew back up to the ceiling with a pair of small hidden wings — ← Mova's choice · score 6
2. It jumped all the way up — no support
3. It climbed up its dragline, the safety thread it let out — ✓ the right answer · score 3
4. It walked up the air — no support

Why: It took the question to ask what something is like. It chose option 1 with score 6, against 3 for the next best. Its support: lesson 147, line 14: «A spider has eight legs; an insect, such as a fly, has six.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «spider» (+3); the same circumstance (+3). The right option, 3, scored 3. · the question and its options parsed, with trees and pragmatics

Test 11 · wrong ✗

«there's like 3 webs in the hedge, that's it» A frosty morning shows dozens. Why didn't you see them before?

1. The frost made the webs grow — no support
2. Thin threads are hard to see until dew or frost covers them — ✓ the right answer · no support
3. The spiders built them all overnight — ← Mova's choice · score -1
4. Webs only exist when it is cold — no support

Why: It took the question to ask why something happens (its cause). It chose option 3 with score -1, the only option with support. Its support: lesson 147, line 13: «Not all spiders build round webs: some build funnels, sheets or tangles, and some build none at all.», reached through the option's own match among the sentences about the question's things. What matched: the same action «build» (+2). Against it: a different thing acted on (counts against) (-1); one says «not», the other does not (counts against) (-2). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

Identify the organs from which a spider extrudes its silk.

1. The mouthparts, in the manner of the silkworm — ← Mova's choice · no support
2. The spinnerets situated at the posterior of the abdomen — ✓ the right answer · no support
3. Glands situated within the wrists of the forelimbs — no support
4. The terminal segments of each of the eight legs — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · right ✓

Select the response consistent with the established facts concerning the strength of spider silk.

1. Weight for weight, certain silks exceed steel in strength and greatly exceed it in elasticity — ← Mova's choice · ✓ the right answer · no support
2. Spider silk loses all strength upon contact with water — no support
3. A single natural thread is capable of supporting the full weight of an adult human — no support
4. Spider silk is weaker than wet paper of equal weight — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · right ✓

Which of the following statements most accurately characterises the manner in which spiders consume their prey?

1. They masticate their prey thoroughly with numerous small teeth situated in the jaws — score 7
2. Being unable to chew, they apply digestive fluid and ingest the resulting liquid — ← Mova's choice · ✓ the right answer · score 9
3. They swallow their prey whole and entire — score 7
4. They store their prey indefinitely without consumption — score 7

Why: It took the question to ask who or what does it. It chose option 2 with score 9, against 7 for the next best. Its support: lesson 147, line 10: «Many spiders wrap trapped prey in silk to stop it struggling and keep it for later; spiders cannot chew, so they pour digestive juice on their prey and suck up…», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+4); the same doer «webs» (+3); the same thing acted on «liquid» (+2). · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · wrong ✗

Ascertain the reason for which spiders have not been farmed for silk in the manner of silkworms.

1. Spiders cease the production of silk altogether when kept in daylight or in captivity — ← Mova's choice · score 3
2. Spiders kept together fight with and consume one another — ✓ the right answer · score 2
3. Spider silk dissolves upon exposure to air — no support
4. Spider silk is too adhesive for any use — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 3, against 2 for the next best. Its support: lesson 147, line 6: «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.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «several kinds» (+2); the same action «make» (+1). The right option, 2, scored 2. · the question and its options parsed, with trees and pragmatics

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