Earth from space

Tests: 6 of 10 right · Exam: 1 of 4 right · Kind: ★★ · Understood: 6 of 14 · Run: 2026-10-18, commit f3c23ea72

Lesson 13 of the myths 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 ✓

"My teacher literally said the Great Wall is visible from space, he's a teacher so he's right innit" What's a wise move?

1. After class, say astronauts couldn't spot it and offer to look it up together — ← Mova's choice · ✓ the right answer · score 6
2. Shout "wrong!" in the middle of the lesson — no support
3. Never mention it to anyone — no support
4. Agree, because teachers are never wrong — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 6, the only option with support. Its support: lesson 13, line 2: «Then people went up and looked. The Wall is long but narrow and the same colour as the land around it, and astronauts, even China's first astronaut Yang Liwei,…», reached through what was said in the sentence the question matched. What matched: the same action «pick out» (+4); the same doer «astronauts» (+4). Against it: a different thing acted on (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Test 2 · ★★ · wrong ✗

Sienna's brother insists summer is from being closer to the Sun. Which question beats him best?

1. Why does the Sun look so yellow in all of our drawings? — ← Mova's choice · score 12
2. How many planets are there? — no support
3. Why do we have weekends? — no support
4. Why is it summer in Australia when it's winter here? — ✓ the right answer · score 8

Why: It took the question to ask who or what does it. It chose option 1 with score 12, against 8 for the next best. Its support: lesson 13, line 4: «The real reasons are better: astronauts float because they and their station are falling round the Earth together, seasons come from the Earth's tilt, and the…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+5); the same action «seem» (+4); the same doer «sun» (+3). The right option, 4, scored 8. · the question and its options parsed, with trees and pragmatics

Test 3 · ★★ · wrong ✗

You poke holes in a paper cup of water and drop it. The water stops pouring while it falls. What does this show?

1. The holes in the cup close up tight when they fall — ← Mova's choice · no support
2. Water is lighter than air — no support
3. Falling things feel weightless, like astronauts — ✓ the right answer · no support
4. Gravity switches off for cups — 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 ✓

In a space film, an asteroid explodes with a huge BOOM heard by the heroes in their ship far away. What's wrong?

1. Sound can't travel through nearly empty space — ← Mova's choice · ✓ the right answer · no support
2. It should be a quiet pop — no support
3. Nothing, explosions are loud everywhere in the universe — no support
4. Only big asteroids are silent — 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 ✗

What would happen to the seasons if the Earth had no tilt at all?

1. Every season would be summer everywhere — ← Mova's choice · no support
2. There would be almost no seasons — ✓ the right answer · no support
3. Seasons would be twice as strong — no support
4. Winter would last all year everywhere — 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 6 · ★★ · right ✓

At school pick-up you see a pale Moon in the blue afternoon sky. Your little brother says, "That's impossible!" What do you say?

1. It's normal; the Moon is often up in daytime — ← Mova's choice · ✓ the right answer · no support
2. It's a fake Moon put up there for astronauts to practise — no support
3. It's the Sun in disguise — no support
4. It must be a balloon — 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 7 · ★★ · right ✓

Grandpa winks: "The Sun goes round us, look, it moves across the sky!" What's a fun way to show him?

1. Spin a ball near a torch to show day and night — ← Mova's choice · ✓ the right answer · no support
2. Point at the Sun and stare at it — no support
3. Draw the Sun on the ceiling — no support
4. Tell him old people can't learn anything new anyway — 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 8 · ★★ · right ✓

An astronaut photo shows the Sun looking white. Your friend says the photo's broken. What's the truth?

1. The Sun goes white once a year — score 4
2. The Sun is white only at night — score 4
3. The camera turned it white by mistake — no support
4. From space, without our air, the Sun really looks white — ← Mova's choice · ✓ the right answer · score 10

Why: It took the question to ask what it is done to. It chose option 4 with score 10, against 4 for the next best. Its support: lesson 13, line 12: «The Sun's light is basically white; our air scatters blue light, so the Sun looks yellowish, and red at sunset; from space it looks white.», reached through the option's own match among the sentences about the question's things. What matched: the same circumstance (+4); the same doer «sun» (+3); the same action «look» (+2); the same property (+1). · the question and its options parsed, with trees and pragmatics

Test 9 · ★★ · right ✓

A cartoon astronaut takes off his helmet in space and blows up like a balloon. What's the real danger?

1. No air: he'd pass out in seconds and need rescue fast — ← Mova's choice · ✓ the right answer · score 4
2. He would pop at once — no support
3. The cold would freeze him in a second — no support
4. He'd float away happily — no support

Why: It took the question to ask what it is done to. It chose option 1 with score 4, the only option with support. Its support: lesson 13, line 8: «A person in space without a suit would not explode; they would lose consciousness in about 15 seconds and need rescue within a minute or two, so it is deadly b…», reached through the option's own match among the sentences about the question's things. What matched: the same action «need» (+2); it fills the role the question asks for (+2); the same thing acted on «rescue» (+1). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 10 · ★★ · wrong ✗

Which is a fair way to describe Earth's shape on a globe?

1. An exact, perfect ball with no bumps on it at all — ← Mova's choice · no support
2. A flat disc, like a dinner plate, seen from above — no support
3. A big cube with rounded-off corners, like a dice — no support
4. Nearly a ball, slightly wider at the equator — ✓ 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

Exam question 1 · formal language · wrong ✗

Which of the following statements most accurately characterises the cause of the seasons upon the Earth?

1. The interposition of the Moon between the Earth and the Sun — ← Mova's choice · no support
2. The inclination of the Earth's axis relative to its orbit — ✓ the right answer · no support
3. The variation in the Sun's emission of heat — no support
4. The variation in the Earth's distance from the Sun — 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 ✓

Identify the principal reason for which astronauts aboard an orbiting station appear weightless.

1. They and the station are in continuous free fall about the Earth — ← Mova's choice · ✓ the right answer · score 5
2. The station is maintained at reduced air pressure — no support
3. Their garments are lighter than the air within the station — no support
4. Gravity is wholly absent at the altitude of the station — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 5, the only option with support. Its support: lesson 13, line 4: «The real reasons are better: astronauts float because they and their station are falling round the Earth together, seasons come from the Earth's tilt, and the…», reached through the remembered sentence the question matched. What matched: the same circumstance (+5). · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · wrong ✗

Select the response that is consistent with the established facts concerning the visibility of the Great Wall of China from orbit.

1. It is the sole artificial structure visible from orbit to the eye — ← Mova's choice · score 8
2. It is practically impossible to discern with the unaided eye — ✓ the right answer · no support
3. It is visible solely during the hours of darkness — no support
4. It is plainly visible from the surface of the Moon — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 8, the only option with support. Its support: lesson 13, line 6: «The Great Wall of China is long but narrow and land-coloured; astronauts say it is practically impossible to see with bare eyes from orbit, while cities at nig…», reached through the remembered sentence the question matched. What matched: the same circumstance (+5); the same place «orbit» (+3). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · wrong ✗

Ascertain the period of the year during which the Earth is nearest to the Sun.

1. The autumn equinox — ← Mova's choice · no support
2. The spring equinox — no support
3. Early January — ✓ the right answer · no support
4. Late July — 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

This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/myths/13-earth-from-space/