How scientists find out: naturalists, Darwin, the microscope and wildlife filming

Tests: 6 of 11 right · Exam: 1 of 4 right · Kind: plain · Understood: 10 of 15 · Run: 2026-10-18, commit f3c23ea72

Lesson 264 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 ✓

In a cartoon, animals talk and wear clothes, like Tom and Jerry or a talking lion. How do real scientists find out how animals behave?

1. By asking the animals questions — no support
2. By dressing up as animals — score 6
3. By watching and recording quietly, often for a very long time — ← Mova's choice · ✓ the right answer · score 8
4. By reading cartoon scripts — score 6

Why: It took the question to ask what something is like. It chose option 3 with score 8, against 6 for the next best. Its support: lesson 232, line 5: «Scientists find these senses by careful tests, for example by switching on a weak radio noise and watching robins lose their way.», reached through the same lesson line as the sentence the question matched. What matched: the same action «watch» (+5); the same doer «scientists» (+3). · the question and its options parsed, with trees and pragmatics

Test 2 · wrong ✗

«a girl in my class draws bugs in a notebook, so weird» What is the best answer?

1. Only grown-ups can do science — ← Mova's choice · no support
2. She is doing just what naturalists do, and her notes could be useful — ✓ the right answer · no support
3. Drawing animals is useless for science, so she is wasting her time — no support
4. Notes must be typed to count — 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 ✗

Count them: a girl draws 3 beetles and 2 spiders in her notebook. How many legs does she draw if she gets them right?

1. 30 — ← Mova's choice · no support
2. 40 — no support
3. 34 — ✓ the right answer · no support
4. 25 — 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 · right ✓

Count them: in the garden birdwatch Sam counts 5 robins, then says «no wait, 6», and 3 blackbirds. How many birds does he report?

1. 9 — ← Mova's choice · ✓ the right answer · no support
2. 14 — no support
3. 8 — no support
4. 6 — 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 5 · wrong ✗

Why might Darwin have waited so long before publishing his idea?

1. He wanted lots of careful evidence for a very surprising idea — ✓ the right answer · score 3
2. His ship was lost at sea for 20 years with all of his notebooks on board — score 0
3. He was waiting for a computer — no support
4. He forgot where he had put his notes — ← Mova's choice · score 4

Why: It took the question to ask why something happens (its cause). It chose option 4 with score 4, against 3 for the next best. Its support: lesson 264, line 8: «In the Galapagos Islands, Darwin noticed that animals on different islands were slightly different, and he published his famous book in 1859, after more than 2…», reached through a sentence linked to the one the question matched. What matched: the same action «notice» (+3); the same doer «darwin» (+1). The right option, 1, scored 3. · the question and its options parsed, with trees and pragmatics

Test 6 · right ✓

You want to test if plants grow better with music. Which plan is a fair test?

1. Many plants given different water and music — no support
2. Two same plants with the same light and water, only one hears music — ← Mova's choice · ✓ the right answer · score 7
3. One plant with music, watched for one hour — score 7
4. One plant in the sun with music, and one in a dark cupboard with no music at all — score 5

Why: It took the question to ask who or what does it. It chose option 2 with score 7, tied with another option at 7 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 61, line 1: «Most plants live quietly on light, air, water and a little from the soil, but some grow in wet, boggy ground so poor that they have turned into hunters of inse…», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+3); the same doer «most plants» (+2); a different action (counts against) (+2). · the question and its options parsed, with trees and pragmatics

Test 7 · right ✓

«a film showed lemmings jumping off cliffs so they do it, it's on tv» What is right?

1. No, lemmings live only in zoos — no support
2. Yes, because lemmings cannot see cliffs and simply run straight off the edge in a crowd — score 6
3. Yes, they do it every year — score 4
4. That 1958 scene was set up by the filmmakers; lemmings do not leap to their deaths — ← Mova's choice · ✓ the right answer · score 10

Why: It took the question to ask which statement is true. It chose option 4 with score 10, against 6 for the next best. Its support: lesson 264, line 16: «Some old nature films staged scenes, like a 1958 film that showed lemmings being pushed off a cliff, though real lemmings do not leap to their deaths; today go…», reached through the option's own match among the sentences about the question's things. What matched: the same action «leap» (+4); the same place «deaths» (+4); the same doer «real lemmings» (+2). · the question and its options parsed, with trees and pragmatics

Test 8 · wrong ✗

«the scientist said she was wrong, so she's a rubbish scientist» What is right?

1. Changing your mind with new evidence is how science gets better — ✓ the right answer · no support
2. Being wrong means science is useless — no support
3. Good scientists are never wrong, so they never change their minds — score 4
4. Scientists should hide their mistakes — ← Mova's choice · score 6

Why: It took the question to ask which statement is true. It chose option 4 with score 6, against 4 for the next best. Its support: lesson 135, line 12: «Scientists think panda colours help them hide in snow and shade, while black ears and eye patches may send signals; each panda's eye patches are a slightly dif…», reached through the option's own match among the sentences about the question's things. What matched: the same action «hide» (+4); the same doer «scientists» (+2). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 9 · wrong ✗

A bird ringed in England is found a year later in Africa. What does that show?

1. Birds are born in Africa and fly to England only once — score 4
2. The bird flew thousands of kilometres on migration — ✓ the right answer · score 4
3. Someone caught it and carried it there by plane in a box — ← Mova's choice · score 7
4. The ring fell off in Britain and blew there in the wind — no support

Why: It took the question to ask what it is done to. It chose option 3 with score 7, against 4 for the next best. Its support: lesson 119, line 4: «Kittens learn from their mother, who brings them prey to practise on, and even a pet cat that sleeps most of the day on the sofa may still catch a bird in the…», reached through the option's own match among the sentences about the question's things. What matched: the same action «catch» (+4); a different doer (counts against) (+2); it fills the role the question asks for (+1). The right option, 2, scored 4. · the question and its options parsed, with trees and pragmatics

Test 10 · right ✓

Why was Jane Goodall's discovery so surprising?

1. Tools were only invented in 1960 — no support
2. Chimpanzees had never been seen before — no support
3. No one knew chimpanzees ate food — no support
4. Many thought only humans made and used tools — ← Mova's choice · ✓ the right answer · score 6

Why: It took the question to ask why something happens (its cause). It chose option 4 with score 6, the only option with support. Its support: lesson 264, line 17: «From 1960 Jane Goodall watched chimpanzees in Gombe, Tanzania, and saw one poke a grass stem into a termite mound to fish out termites, showing that chimps mak…», reached through the same lesson line as the sentence the question matched. What matched: the same action «make» (+3); the same doer «humans» (+3). · the question and its options parsed, with trees and pragmatics

Test 11 · right ✓

What would happen if thousands of children counted garden birds every year?

1. The birds would leave the gardens — no support
2. The counts would be useless because children made them — no support
3. Scientists could see how bird numbers change over time — ← Mova's choice · ✓ the right answer · score 3
4. Every count would be exactly the same — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 3, the only option with support. Its support: lesson 264, line 19: «Ordinary people help science by counting birds, insects or plants, which is called citizen science; the RSPB's Big Garden Birdwatch has hundreds of thousands o…», reached through the same lesson line as the sentence the question matched. What matched: the same action «see» (+2); the same doer «scientists» (+1). · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

Identify the principal characteristic of a fair test as conducted in a scientific investigation.

1. The test is conducted once only and never repeated — ← Mova's choice · no support
2. A single factor is varied whilst all other conditions are maintained constant — ✓ the right answer · no support
3. All factors are varied simultaneously for the sake of economy and speed of work — no support
4. The result is decided before the commencement of the test — no support

Why: Nothing it remembers matched the question, 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 voyage of Charles Darwin.

1. He conducted his studies exclusively within England — no support
2. He sailed aboard the Mayflower in the year 1620 — score 6
3. He published his principal work immediately upon his return in 1836 — score 6
4. He circumnavigated the globe aboard the Beagle between 1831 and 1836, collecting animals, plants and fossils — ← Mova's choice · ✓ the right answer · score 7

Why: It took the question to ask which statement is true. It chose option 4 with score 7, against 6 for the next best. Its support: lesson 264, line 7: «Charles Darwin sailed around the world on the Beagle from 1831 to 1836, collecting animals, plants and fossils.», reached through the option's own match among the sentences about the question's things. What matched: the same action «collect» (+4); the same doer «charles» (+2); the same thing acted on «animals» (+1). · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · wrong ✗

Which of the following statements most accurately characterises the significance of the observations of Jane Goodall at Gombe?

1. It was established that chimpanzees subsist exclusively upon fruit — ← Mova's choice · score 7
2. It was established that chimpanzees are incapable of learning — score 5
3. It was established that chimpanzees construct dwellings of timber — score 4
4. It was established that chimpanzees fashion and employ tools, a capacity formerly attributed solely to humans — ✓ the right answer · score 7

Why: It took the question to ask who or what does it. It chose option 1 with score 7, tied with another option at 7 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 237, line 6: «Dogs follow human pointing very well, even as puppies, while wolves and chimpanzees find it hard.», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+3); the same doer «wolves» (+2); a different action (counts against) (+2). The right option, 4, scored 7. · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · wrong ✗

Ascertain the purpose served by the attachment of rings to the legs of birds.

1. The identification of their song — ← Mova's choice · no support
2. The protection of their legs from predators — no support
3. The improvement of their flight — no support
4. The determination of the routes of their travel and the length of their lives — ✓ 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

This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/biology/264-how-scientists-find-out-naturalists-darwin-the-microscope-and-wildlife-filming/