---
title: Buses, trams, lorries and traffic lights — how Mova does on the tests · Technology
description: Lesson 20 of the technology course of Mova's primary school: 10 of 11 tests right, exam 1 of 4, every question with the options, the student's choice, the right answer and why it chose.
---

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# Buses, trams, lorries and traffic lights

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**Tests:** 10 of 11 right · **Exam:** 1 of 4 right · **Kind:** plain · **Understood:** 9 of 15 · **Run:** 2026-10-18, commit `f3c23ea72`

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Lesson 20 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](https://md.mova.elamur.ai/free/en/corpora/school/technology/20-buses-trams-lorries-and-traffic-lights/).

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Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: [the lesson's questions in the corpora](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/).

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### Test 1 · right ✓ {#t1}

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my mate says I can cycle up the inside of the lorry while it turns, it's waiting. true?

- **1.** No, never cycle on the inside of a turning lorry — **← Mova's choice** · **✓ the right answer** · no support
- **2.** No, but a scooter is fine — no support
- **3.** Yes, lorries always see bikes in their big mirrors, so you're fine — no support
- **4.** Yes, if you go fast — no support

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**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](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/t1/)

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### Test 2 · right ✓ {#t2}

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shut up, the bus is there, just leg it across in front of it! What's the rule?

- **1.** Run if you're fast — no support
- **2.** Only run if the driver waves — no support
- **3.** Run, buses always wait for children — no support
- **4.** Never run in front of or behind a bus — **← Mova's choice** · **✓ the right answer** · score 7

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**Why:** It took the question to ask what it is done to. It chose option 4 with score 7, the only option with support. Its support: lesson 20, line 7: «On a bus you hold on when it moves and sit down upstairs, and you never run in front of or behind a bus.», reached through the option's own match among the sentences about the question's things. What matched: the same action «run» (+4); the same place «front» (+3). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/t2/)

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### Test 3 · right ✓ {#t3}

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In a cartoon a tram swerves round a dog on the track. What is true?

- **1.** Trams have steering wheels like cars — no support
- **2.** A tram runs on rails and cannot swerve — **← Mova's choice** · **✓ the right answer** · score 8
- **3.** Trams jump over animals — no support
- **4.** Trams can drive anywhere they like on the road — no support

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**Why:** It took the question to ask which statement is true. It chose option 2 with score 8, the only option with support. Its support: lesson 20, line 3: «Big vehicles have big rules: a tram runs on rails and cannot swerve, and a lorry is so long it swings wide on corners and needs a long way to stop.», reached through the remembered sentence the question matched. What matched: the same action «swerve» (+4); the same doer «tram» (+4). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/t3/)

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### Test 4 · right ✓ {#t4}

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What would happen if a car drove in the bus lane past the camera?

- **1.** The camera would record it and the driver could be fined — **← Mova's choice** · **✓ the right answer** · score 4
- **2.** Nothing, cameras are for show — no support
- **3.** The camera would stop the car — score 3
- **4.** The bus would push it out of the lane — no support

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**Why:** It took the question to ask what happens next. It chose option 1 with score 4, against 3 for the next best. Its support: lesson 20, line 16: «Bus lanes are painted lanes kept for buses so they stay on time, and cameras check that cars don't use them; a driver caught on camera in a bus lane can be fin…», reached through the same lesson line as the sentence the question matched. What matched: the same action «fine» (+2); the same thing acted on «driver» (+2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/t4/)

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### Test 5 · right ✓ {#t5}

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Ella reckons the crossing button does nothing and it's just there to keep you busy. Right?

- **1.** Yes, the lights never listen, they just change on a timer all day — no support
- **2.** No, it tells the lights someone is waiting to cross — **← Mova's choice** · **✓ the right answer** · score 3
- **3.** No, it calls the police — no support
- **4.** Yes, it is only decoration — no support

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**Why:** It took the question to ask which statement is true. It chose option 2 with score 3, the only option with support. Its support: lesson 20, line 13: «Pressing a crossing button tells the lights someone wants to cross; a beep or a small cone that spins under the box tells blind people when it is safe.», reached through a sentence linked to the one the question matched. What matched: the same action «tell» (+2); the same receiver «lights» (+2). Against it: a different doer (counts against) (-1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/t5/)

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### Test 6 · right ✓ {#t6}

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Which is true about lorries?

- **1.** They can stop faster than bikes — score 8
- **2.** They never have blind spots — score 4
- **3.** They are lighter than a family car — no support
- **4.** They need a very long way to stop — **← Mova's choice** · **✓ the right answer** · score 16

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**Why:** It took the question to ask which statement is true. It chose option 4 with score 16, against 8 for the next best. Its support: lesson 20, line 19: «Lorries need a very long way to stop and swing out wide when they turn, so you never cycle on the inside of a turning lorry.», reached through the remembered sentence the question matched. What matched: the same action «need» (+4); the same doer «lorries» (+4); the same thing acted on «long way» (+4); its «because» matches the remembered cause (+4). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/t6/)

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### Test 7 · right ✓ {#t7}

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oi, how come the bus beeps when the doors shut?

- **1.** To say the bell is broken — no support
- **2.** To warn people the doors are closing — **← Mova's choice** · **✓ the right answer** · score 8
- **3.** Because the driver is cross with you — no support
- **4.** To tell the bus to go faster — no support

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**Why:** It took the question to ask what something is like. It chose option 2 with score 8, the only option with support. Its support: lesson 10, line 10: «A small switch turns on the fridge light when the door opens and off when it shuts, and a rubber seal with magnets inside keeps the cold in; a piece of paper s…», reached through the remembered sentence the question matched. What matched: the same action «shut» (+4); the same doer «door» (+4). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/t7/)

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### Test 8 · right ✓ {#t8}

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Grandad says a full lorry weighs as much as two cars. Is he right?

- **1.** No, as much as about thirty cars — **← Mova's choice** · **✓ the right answer** · no support
- **2.** Yes, lorries are light because they're hollow — no support
- **3.** No, only about as much as one bike — no support
- **4.** Yes, exactly two cars, give or take — no support

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**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](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/t8/)

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### Test 9 · right ✓ {#t9}

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Ruby's bike wheel got stuck in a tram rail. What should she do next time?

- **1.** Close her eyes and hope — no support
- **2.** Ride inside the rail on purpose — no support
- **3.** Cross the rails at an angle — **← Mova's choice** · **✓ the right answer** · score 2
- **4.** Go faster straight along it — no support

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**Why:** It took the question to ask what is done. It chose option 3 with score 2, the only option with support. Its support: lesson 20, line 11: «Bike wheels can get stuck in tram rails, so cyclists cross them at an angle.», reached through a sentence linked to the one the question matched. What matched: the same place «angle» (+2); it fills the role the question asks for (+2); the same action «cross» (+1). Against it: a different doer (counts against) (-1); a different thing acted on (counts against) (-2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/t9/)

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### Test 10 · right ✓ {#t10}

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The top deck is moving and Tom's standing up to look out. What's the rule?

- **1.** Run down the stairs to the door — no support
- **2.** Sit down upstairs and hold on — **← Mova's choice** · **✓ the right answer** · score 3
- **3.** Stand at the front window — no support
- **4.** It's fine if the bus is slow — no support

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**Why:** It took the question to ask what it is done to. It chose option 2 with score 3, the only option with support. Its support: lesson 20, line 7: «On a bus you hold on when it moves and sit down upstairs, and you never run in front of or behind a bus.», reached through the same lesson line as the sentence the question matched. What matched: the same action «sit down» (+3); the same property (+1). Against it: a different doer (counts against) (-1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/t10/)

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### Test 11 · wrong ✗ {#t11}

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A blind lady is at the crossing. How does she know it's safe?

- **1.** The cars tell her — **← Mova's choice** · no support
- **2.** She waits for someone to shout — no support
- **3.** She guesses from the wind and the sound of footsteps — no support
- **4.** A beep or the spinning cone under the box — **✓ the right answer** · no support

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**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](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/t11/)

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### Exam question 1 · formal language · wrong ✗ {#e1}

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Identify the means by which a live bus-stop display ascertains the expected time of arrival of a vehicle.

- **1.** The display detects the sound of the engine — **← Mova's choice** · no support
- **2.** The display counts waiting passengers — no support
- **3.** The vehicle transmits its satellite-derived position to a computer — **✓ the right answer** · no support
- **4.** The driver telephones each stop in turn — no support

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**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](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/e1/)

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### Exam question 2 · formal language · right ✓ {#e2}

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It is given that a pedal cyclist intends to traverse tram rails. State the manner in which the crossing ought to be effected.

- **1.** At an angle, so that the wheel is not trapped — **← Mova's choice** · **✓ the right answer** · no support
- **2.** Parallel to and within the rail — no support
- **3.** Whilst dismounted upon the rail itself — no support
- **4.** At maximal speed irrespective of the angle of approach — no support

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**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](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/e2/)

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### Exam question 3 · formal language · wrong ✗ {#e3}

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Which of the following statements most accurately characterises the conduct required of a cyclist adjacent to a turning lorry?

- **1.** The cyclist may overtake on the inside at speed — **← Mova's choice** · score 5
- **2.** The cyclist must not proceed on the inside of the lorry — **✓ the right answer** · score 5
- **3.** The cyclist should stop directly beside the cab — score 5
- **4.** The cyclist may rely on the driver's mirrors — score 5

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**Why:** It took the question to ask who or what does it. It chose option 1 with score 5, tied with another option at 5 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 20, line 11: «Bike wheels can get stuck in tram rails, so cyclists cross them at an angle.», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+5); the same doer «cyclists» (+3). Against it: a different action (counts against) (-3). The right option, 2, scored 5. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/e3/)

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### Exam question 4 · formal language · wrong ✗ {#e4}

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Select the response consistent with the established facts concerning the earliest traffic signals installed in London in 1868.

- **1.** They were operated by computer — **← Mova's choice** · no support
- **2.** They employed light-emitting diodes — no support
- **3.** They were illuminated by gas — **✓ the right answer** · no support
- **4.** They were powered by solar panels — no support

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**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](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/e4/)

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<!-- pn -->
- ← previous: [19. Electric cars and charging](https://md.mova.elamur.ai/free/en/school-run/technology/19-electric-cars-and-charging/)
- next →: [21. Trains and the Underground](https://md.mova.elamur.ai/free/en/school-run/technology/21-trains-and-the-underground/)
- ↑ back to [Technology](https://md.mova.elamur.ai/free/en/school-run/technology/)