Olympiad: transport, building and energy ★★★

Tests: 5 of 11 right · Exam: 2 of 4 right · Kind: ★★★ · Understood: 8 of 15 · Run: 2026-10-18, commit f3c23ea72

Lesson 43 of the technology 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 ✓

★★★ «gps works coz the satellite watches me from space and sees where i am, no cap» What is right?

1. Yes, but only when the sky is clear and sunny — no support
2. No, the phone hears timing signals from several satellites and works it out — ← Mova's choice · ✓ the right answer · score 5
3. No, GPS uses the phone masts on the hills, not satellites — no support
4. Yes, GPS satellites have giant cameras that follow every phone — no support

Why: It took the question to ask where. It chose option 2 with score 5, the only option with support. Its support: lesson 38, line 9: «A satellite TV dish collects weak signals from a satellite far above the equator and focuses them onto a receiver, so in the UK all the dishes on a street face…», reached through the option's own match among the sentences about the question's things. What matched: it fills the role the question asks for (+3); the same thing acted on «weak signals» (+2); the same place «satellite» (+2). Against it: a different action (counts against) (-1); a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 2 · ★★★ · wrong ✗

★★★ «the lorry's 12 m — nah hang on, with the trailer it's 16 m. how many 4 m cars long is that»

1. 64 — ← Mova's choice · no support
2. 4 — ✓ the right answer · no support
3. 3 — no support
4. 7 — 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

Test 3 · ★★★ · wrong ✗

★★★ «saw the space station go round like a million times today lol» About how many times does it really go round in a day?

1. Just once — ← Mova's choice · no support
2. About 16 — ✓ the right answer · no support
3. A million, it is very fast — no support
4. About 90 — 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 ✓

★★★ «we're landing on runway 09 so we're flying west innit» What is right?

1. Yes, 09 means 9 o'clock, which is west — no support
2. No, 09 means it is the ninth runway at the airport — no support
3. No, 09 means about 90 degrees, so the plane is flying east — ← Mova's choice · ✓ the right answer · score 8
4. Yes, all runways with a 0 in front point west — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 8, the only option with support. Its support: lesson 22, line 10: «Flaps and slats slide out of the wing at take-off and landing, making it bigger and more curved so the plane can fly slowly without falling.», reached through the remembered sentence the question matched. What matched: the same action «fly» (+4); the same doer «plane» (+4). · the question and its options parsed, with trees and pragmatics

Test 5 · ★★★ · wrong ✗

★★★ «bit nippy out, roads are like glass, but the gritter's been» What is the speaker really saying?

1. It's a little cool, so ice is impossible today — no support
2. The roads are made of glass and the gritter swept them — ← Mova's choice · score 7
3. It's a warm day and the roads are shiny and clean — no support
4. It's freezing and icy; the salt helps, but take real care — ✓ the right answer · no support

Why: It took the question to ask what it is done to. It chose option 2 with score 7, the only option with support. Its support: lesson 4, line 10: «Glass is made by melting sand, soda ash and limestone with lots of recycled glass in a furnace that runs day and night for years, and machines blow blobs of ho…», reached through the option's own match among the sentences about the question's things. What matched: the same action «make» (+3); the same circumstance (+2); a different thing acted on (counts against) (+2). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 6 · ★★★ · wrong ✗

★★★ «solar panels are just tiny wind turbines with a spinny bit inside» What is right?

1. No, they burn sunlight like a small fire — no support
2. No, light frees tiny electrons in silicon cells and nothing spins — ✓ the right answer · score 4
3. Yes, a little fan inside spins when sunlight warms it — no support
4. Yes, they need wind as well as sunlight to work — ← Mova's choice · score 8

Why: It took the question to ask which statement is true. It chose option 4 with score 8, against 4 for the next best. Its support: lesson 33, line 7: «In a solar panel, light hits special silicon cells and knocks tiny electrons free, which flow as electricity; panels still work on cloudy days and in winter, j…», reached through the remembered sentence the question matched. What matched: the same action «work» (+4); the same doer «panels» (+4). The right option, 2, scored 4. · the question and its options parsed, with trees and pragmatics

Test 7 · ★★★ · wrong ✗

★★★ «there's a gap with metal teeth across the bridge road, someone forgot to finish it lol» What is it really?

1. A crack showing that the bridge is about to fall down — ← Mova's choice · no support
2. An expansion joint, so the bridge can grow and shrink — ✓ the right answer · no support
3. A drain for rain to run off the road into the river — no support
4. A place where the bridge folds up for ships — 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 ✓

★★★ «a round sign with a red ring is just a warning, ignore it» What is right?

1. No, round signs give orders; triangles are the warnings — ← Mova's choice · ✓ the right answer · no support
2. No, round signs show places to eat — no support
3. Yes, red means warning on every road sign — no support
4. Yes, round signs are only suggestions for drivers — 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

Test 9 · ★★★ · wrong ✗

★★★ Which order is right for a tunnel-boring machine?

1. The rings are fitted first and the machine grinds the rock out through them — ← Mova's choice · score 5
2. Concrete rings are fitted, then the wheel grinds, then the rock is carried away — no support
3. The rock is carried away, then the wheel grinds the hole, then rings are fitted — no support
4. The wheel grinds the rock, the rock is carried away, concrete rings are fitted — ✓ the right answer · no support

Why: It took the question to ask who or what does it. It chose option 1 with score 5, the only option with support. Its support: lesson 29, line 5: «A tunnel-boring machine grinds through rock or soil with a giant rotating cutting wheel and lines the tunnel with concrete rings behind it; lasers and measurem…», reached through the option's own match among the sentences about the question's things. What matched: it fills the role the question asks for (+3); the same doer «boring machine» (+2); the same circumstance (+2). Against it: a different action (counts against) (-2). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 10 · ★★★ · right ✓

★★★ «hot-air balloon floats coz it's full of helium» What is right?

1. No, a burner heats the air inside, and hot air is lighter than cold — ← Mova's choice · ✓ the right answer · score 5
2. Yes, it is just like a party balloon, only a lot bigger and filled from tanks — no support
3. No, it is pulled up by a hidden rope — no support
4. No, its basket is lighter than air — score 3

Why: It took the question to ask which statement is true. It chose option 1 with score 5, against 3 for the next best. Its support: lesson 23, line 3: «Not everything that flies has fixed wings. A helicopter's spinning blades are long thin wings going round in a circle, a drone does the same with four or more…», reached through a sentence linked to the one the question matched. What matched: the same doer «hot air» (+3); the same property (+1); the same light verb (be, have, do, get, go) (+1). · the question and its options parsed, with trees and pragmatics

Test 11 · ★★★ · right ✓

★★★ A friend wants to race a Mars rover live with a joystick, «like a remote-control car, ez». What is the catch?

1. The rover is too heavy for a joystick — score 6
2. Remote-control cars and rovers use different batteries — no support
3. Mars has no roads, so the rover cannot move at all — no support
4. Each command takes minutes to reach Mars, so the rover drives itself — ← 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 6 for the next best. Its support: lesson 39, line 15: «A Mars rover drives itself short distances, takes photos and tests rocks, because radio signals take minutes to travel between Mars and Earth, too slow to stee…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+4); the same action «drive» (+2); the same doer «mars rover» (+2); the same thing acted on «rover» (+2). · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

It is given that an aircraft departs from runway 27. Determine the compass direction in which it is heading.

1. South — ← Mova's choice · no support
2. East — no support
3. North — no support
4. West — ✓ 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 2 · formal language · right ✓

The International Space Station completes one orbit of the Earth in approximately 90 minutes. Ascertain the approximate number of orbits completed in one day.

1. Sixteen — ← Mova's choice · ✓ the right answer · no support
2. Twenty-four — no support
3. Ninety — no support
4. One — 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 ✓

Identify, with reference to the established facts, the one source of electricity which requires no spinning generator.

1. The hydroelectric dam — no support
2. The coal-fired power station — no support
3. The solar panel — ← Mova's choice · ✓ the right answer · score 2
4. The wind turbine — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 2, the only option with support. Its support: lesson 33, line 8: «Never climb onto a roof to touch solar panels; installers are trained to work up there safely.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «solar panels» (+1); the same property (+1). · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · wrong ✗

A canal lock measures 30 metres in length and 4 metres in width, and its water rises by 2 metres. Determine the volume of water admitted, in cubic metres.

1. 36 — ← Mova's choice · no support
2. 2,400 — no support
3. 240 — ✓ the right answer · no support
4. 120 — 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/technology/43-olympiad-transport-building-and-energy/