Roads and road signs
Tests: 7 of 11 right · Exam: 3 of 4 right · Kind: ★ · Understood: 10 of 15 · Run: 2026-10-18, commit f3c23ea72
Lesson 31 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 ✓
«my uncle says potholes are just from lorries being too heavy, nothing else» What is the best correction?
- 1. Potholes are dug by animals at night — no support
- 2. Potholes come from the Sun melting the road — no support
- 3. Lorries knock pieces out, but freezing water in cracks breaks the road first — ← Mova's choice · ✓ the right answer · score 3
- 4. He is right, weather never matters — 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 31, line 6: «Potholes grow after winter because water gets into cracks, freezes, expands and breaks the road, and traffic then knocks pieces out; councils fill them, and cy…», reached through the same lesson line as the sentence the question matched. What matched: the same action «knock out» (+2); the same thing acted on «pieces» (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics
Test 2 · ★ · right ✓
In a cartoon, a cat walks down the middle of the road and its glowing eyes guide cars. What are real cat's eyes?
- 1. Real animals trained by the council — no support
- 2. Lamps powered by wires under the road — score 2
- 3. Painted dots that glow on their own — no support
- 4. Small reflectors set into the road that shine back in headlights — ← Mova's choice · ✓ the right answer · score 11
Why: It took the question to ask what it is done to. It chose option 4 with score 11, against 2 for the next best. Its support: lesson 31, line 3: «Roads also talk to drivers without words. Shapes and colours on signs, white lines with glittering glass beads, cat's eyes that shine back in the headlights an…», reached through the option's own match among the sentences about the question's things. What matched: the same action «shine back» (+4); the same doer «eyes» (+4); the same place «headlights» (+3). · the question and its options parsed, with trees and pragmatics
Test 3 · ★ · right ✓
«mate said we can walk on the motorway, it's quicker to the shop» What is the right answer?
- 1. It is fine if you wear a coat — no support
- 2. Never walk on a motorway; it is only for vehicles — ← Mova's choice · ✓ the right answer · score 8
- 3. It is fine if you walk on the white line in the middle, where the cars can see you — no support
- 4. It is fine in the early morning — no support
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 31, line 10: «Never walk on a motorway; if a car breaks down, everyone gets out on the side away from the traffic and waits behind the barrier.», reached through the remembered sentence the question matched. What matched: the same action «walk» (+4); the same place «motorway» (+4). · the question and its options parsed, with trees and pragmatics
Test 4 · ★ · right ✓
What would happen if a cold country stopped gritting its roads?
- 1. More ice would form on roads in frosts, and more cars would skid — ← Mova's choice · ✓ the right answer · score 2
- 2. The roads would melt in winter — no support
- 3. Roads would stay dry because ice cannot form on asphalt — no support
- 4. Nothing, salt does not change ice at all — no support
Why: It took the question to ask what happens next. It chose option 1 with score 2, the only option with support. Its support: lesson 31, line 11: «At a roundabout drivers give way to traffic already coming round, so cars keep moving instead of stopping at lights and only stop when something is coming, not…», reached through what followed the sentence the question matched. What matched: the same doer «cars» (+4). Against it: a different action (counts against) (-2). · the question and its options parsed, with trees and pragmatics
Test 5 · ★ · wrong ✗
You see a red circle sign with a number 20 in it. What kind of sign is it?
- 1. A sign for bus route 20 — ← Mova's choice · score 4
- 2. A warning about 20 children — no support
- 3. An order: the speed limit is 20 — ✓ the right answer · no support
- 4. Information that a town is 20 miles away — 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 31, line 14: «In the UK and much of Europe, circular signs give orders, triangular signs warn and rectangular signs give information, and a reflective coating makes them shi…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+4); the same thing acted on «signs» (+2). Against it: a different doer (counts against) (-2). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Test 6 · ★ · right ✓
Count them: Swindon's Magic Roundabout has 5 small roundabouts. If you drive round 2 of them on the way to school and the same 2 on the way home, how many roundabouts have you gone round that day?
- 1. 4 — ← Mova's choice · ✓ the right answer · no support
- 2. 10 — no support
- 3. 2 — no support
- 4. 5 — 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 · ★ · wrong ✗
Count them: a road has 3 lanes each way. How many lanes is that in total?
- 1. 4 — ← Mova's choice · no support
- 2. 9 — no support
- 3. 3 — no support
- 4. 6 — ✓ 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 8 · ★ · wrong ✗
«street light came on and it's only 4 o'clock, broken innit» What is the likely reason?
- 1. Someone at the council pressed the wrong button for the whole town by mistake — no support
- 2. In winter it gets dark early, and the light sensor noticed — ✓ the right answer · score 4
- 3. Street lights come on at 4 every day — ← Mova's choice · score 8
- 4. It turned on because it got cold — no support
Why: It took the question to ask which statement is true. It chose option 3 with score 8, against 4 for the next best. Its support: lesson 14, line 4: «Think of the evening at home: the lights come on, the Wi-Fi blinks, the smoke alarm sits quietly on the ceiling waiting, and all of it hangs on those hidden wi…», reached through the remembered sentence the question matched. What matched: the same action «come on» (+4); the same doer «lights» (+4). The right option, 2, scored 4. · the question and its options parsed, with trees and pragmatics
Test 9 · ★ · right ✓
«crap, there's a crew digging the road, can we go watch close up» What is the right rule?
- 1. Keep out of roadworks and follow the signs — ← Mova's choice · ✓ the right answer · no support
- 2. Go close but only for a minute — no support
- 3. Go close if you wear a bike helmet and stay behind the orange cones — no support
- 4. Go close if the machines are switched off — 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 · ★ · right ✓
Why do roundabouts often keep traffic moving better than lights at a quiet junction?
- 1. Roundabouts make cars drive faster than the limit — no support
- 2. Cars only stop when something is coming, not on a timer — ← Mova's choice · ✓ the right answer · score 4
- 3. Cars can go round as many times as they like until they find a gap in the traffic — score -2
- 4. Lights stop all traffic for hours — no support
Why: It took the question to ask why something happens (its cause). It chose option 2 with score 4, against -2 for the next best. Its support: lesson 31, line 11: «At a roundabout drivers give way to traffic already coming round, so cars keep moving instead of stopping at lights and only stop when something is coming, not…», reached through the same lesson line as the sentence the question matched. What matched: the same action «stop» (+3); the same doer «cars» (+1). · the question and its options parsed, with trees and pragmatics
Test 11 · ★ · wrong ✗
«why's the road all bumpy right outside our school, rubbish council» What is the best answer?
- 1. The bumps hide pipes that carry rainwater away from the school playground — ← Mova's choice · no support
- 2. The bumps are made by buses parking there — no support
- 3. The council forgot to finish the road — no support
- 4. The bumps are there to slow drivers down near children — ✓ 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 · right ✓
Identify the principal process by which potholes are formed in road surfaces during the winter months.
- 1. The sinking of heavy winter tyres into the surface — no support
- 2. The contraction of asphalt by cold air until the surface disappears — no support
- 3. The ingress of water into cracks, its freezing and expansion, and the subsequent removal of fragments by traffic — ← Mova's choice · ✓ the right answer · score 4
- 4. The deliberate excavation of the surface by snowploughs — no support
Why: It took the question to ask which statement is true. It chose option 3 with score 4, the only option with support. Its support: lesson 31, line 2: «Water is a road's worst enemy. On a winter night water seeps into a tiny crack, freezes, swells like a bottle of water left in the freezer and pushes the crack…», reached through the same lesson line as the sentence the question matched. What matched: the same action «freeze» (+2); the same doer «water» (+2). · 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 conduct of persons whose vehicle has broken down upon a motorway.
- 1. They shall leave the vehicle on the side away from the traffic and wait behind the barrier — ← Mova's choice · ✓ the right answer · score 4
- 2. They shall stand behind the vehicle and signal to passing drivers — no support
- 3. They shall proceed on foot along the carriageway to the next junction — no support
- 4. They shall remain within the vehicle in the lane of traffic — no support
Why: It took the question to ask which statement is true. It chose option 1 with score 4, the only option with support. Its support: lesson 31, line 10: «Never walk on a motorway; if a car breaks down, everyone gets out on the side away from the traffic and waits behind the barrier.», reached through the same lesson line as the sentence the question matched. What matched: the same action «get out» (+2); the same place «side» (+2); the same property (+1). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics
Exam question 3 · formal language · right ✓
Ascertain the reason for which salt is distributed upon roads prior to an anticipated frost.
- 1. Salt increases the adhesion of tyres to ice — no support
- 2. Water containing salt freezes at a lower temperature than pure water — ← Mova's choice · ✓ the right answer · score 6
- 3. Salt generates heat by slow combustion upon the surface of the road during the night — no support
- 4. Salt absorbs the entirety of the moisture present — no support
Why: It took the question to ask which statement is true. It chose option 2 with score 6, the only option with support. Its support: lesson 31, line 15: «A gritter lorry spreads salt before a frost, because salty water freezes at a lower temperature than plain water, so ice forms less easily.», reached through a sentence linked to the one the question matched. What matched: the same action «freeze» (+2); the same doer «salty water» (+2); the same place «lower temperature» (+2). · the question and its options parsed, with trees and pragmatics
Exam question 4 · formal language · wrong ✗
Which of the following statements most accurately characterises the meaning of a triangular road sign in the United Kingdom?
- 1. It conveys a mandatory instruction — ← Mova's choice · no support
- 2. It is reserved for the use of cyclists — no support
- 3. It conveys a warning of a hazard ahead — ✓ the right answer · no support
- 4. It conveys information concerning destinations — 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/31-roads-and-road-signs/