Growing, skin, hair and food
Tests: 2 of 10 right · Exam: 1 of 4 right · Kind: ★ · Understood: 5 of 14 · Run: 2026-10-18, commit f3c23ea72
Lesson 6 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 · ★ · wrong ✗
Your sister says: "My veins are BLUE, look! Proves blood's blue!" How could you check?
- 1. Cut a vein to look, carefully — ← Mova's choice · no support
- 2. Hold your arm in the sun until it turns red — no support
- 3. Ask her to drink blue juice — no support
- 4. Look at blood in a sealed tube at a blood test: it's dark red — ✓ 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 2 · ★ · wrong ✗
"Mate, ate a Mars bar yesterday and got 3 spots today. Chocolate did it, 100%." Best answer?
- 1. Yes, each bar of chocolate gives you exactly three new spots — ← Mova's choice · no support
- 2. Chocolate spots go away if you eat more — no support
- 3. Spots are mostly hormones and skin, one bar won't do that — ✓ the right answer · no support
- 4. Only dark chocolate is safe for skin — 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 ✗
What would happen if you measured your height first thing in the morning and again at bedtime?
- 1. You'd be a little bit taller at bedtime instead — ← Mova's choice · no support
- 2. You'd be a tiny bit taller in the morning — ✓ the right answer · no support
- 3. You'd be exactly the same height both times — no support
- 4. You'd be shorter in the morning after lying down — 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 ✓
Grandad keeps plucking grey hairs to stop them. Granny warns two will grow back. A kind thing to say?
- 1. "It's one hair per root, Grandad, you're just getting wiser!" — ← Mova's choice · ✓ the right answer · score 5
- 2. "Pluck them all, they won't come back." — no support
- 3. "Grey hair is a disease, see a doctor." — no support
- 4. "Granny's right, stop or you'll be bald." — 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 6, line 12: «Each hair root grows one hair, so pulling out a grey hair does not make two grow back.», reached through the same lesson line as the sentence the question matched. What matched: the same thing acted on «one hair» (+4); the same circumstance (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics
Test 5 · ★ · wrong ✗
In a horror film, a body in a coffin has long new fingernails after a year. What's really going on?
- 1. Nails really do grow faster after death, for weeks and weeks — ← Mova's choice · no support
- 2. The coffin air made them grow — no support
- 3. The skin shrank back, so the nails only look longer — ✓ the right answer · no support
- 4. The film is right, nails grow for years — 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 · ★ · wrong ✗
You laughed at Arjun's carrot claim, then found out it's real. What's the best thing to say?
- 1. Say nothing and hope he forgets — ← Mova's choice · no support
- 2. "Still a myth, I don't care what the experiment says, I'm right." — no support
- 3. "It only works in cartoons." — no support
- 4. "I thought it was a myth, but you're right, you win!" — ✓ 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 7 · ★ · wrong ✗
The supermarket has bags of frozen peas and some "fresh" peas that came from far away days ago. Which might have more vitamins?
- 1. The fresh ones always win, because frozen peas have no vitamins — ← Mova's choice · no support
- 2. Only the bag with the bigger price — no support
- 3. The frozen peas could easily have as many or more — ✓ the right answer · no support
- 4. Neither has any vitamins at all — 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 ✗
A cereal box says "Breakfast is the most important meal!" What's a smart question to ask?
- 1. How many colours are on the box? — ← Mova's choice · no support
- 2. Why don't they say that lunch is the most important meal instead? — no support
- 3. Who is saying this, and are they selling something? — ✓ the right answer · no support
- 4. Is the box made of recycled paper? — 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 9 · ★ · right ✓
"Shaved my leg hair last week and it's all stubbly and thick now, told ya!" What's really happening?
- 1. Shaving doubled the number of hairs — no support
- 2. The leg grew new roots after shaving — no support
- 3. The hairs have blunt cut ends that feel rough, not thicker — ← Mova's choice · ✓ the right answer · score 2
- 4. The hairs got darker and twice as thick because of the sharp razor — 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 6, line 3: «Body myths spread because something looks true: veins look blue, so "blood is blue"; stubble feels rough, so "shaving makes hair thicker"; skin shrinks after d…», reached through a sentence linked to the one the question matched. What matched: the same action «feel» (+2); the same property (+1). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics
Test 10 · ★ · wrong ✗
Your little brother is wild at a birthday party, sugar-free drinks and all. What does that suggest?
- 1. Sugar-free drinks make kids even wilder — ← Mova's choice · score 1
- 2. The excitement of the party, not sugar, makes kids hyper — ✓ the right answer · no support
- 3. He must have eaten sugar somewhere — no support
- 4. Sugar-free drinks are secretly full of sugar — no support
Why: It took the question to ask what it is done to. It chose option 1 with score 1, the only option with support. Its support: lesson 6, line 2: «But scientists tested it: some children got sugar, others a sugar-free drink, and not even their parents knew who had which. Their behaviour came out the same,…», reached through the option's own match among the sentences about the question's things. What matched: the same action «make» (+2); the same property (+1). Against it: a different doer (counts against) (-1); a different thing acted on (counts against) (-1). The right option, 2, found no support in what it remembers. · 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 colour of human blood within the body?
- 1. It is colourless until it comes into contact with the skin — ← Mova's choice · no support
- 2. It is blue within the veins and becomes red only upon exposure to air — no support
- 3. It is invariably red, of a darker shade when deficient in oxygen — ✓ the right answer · no support
- 4. It is purple throughout the circulation — 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 · wrong ✗
It is given that children were administered either sugar or a sugar-free substitute, neither the children nor their parents being informed which. Select the response consistent with the findings.
- 1. The parents correctly identified every child given sugar — ← Mova's choice · score 8
- 2. Sugar produced a marked increase in hyperactivity — score 1
- 3. No difference in behaviour attributable to sugar was observed — ✓ the right answer · no support
- 4. The sugar-free substitute produced hyperactivity — no support
Why: It took the question to ask which statement is true. It chose option 1 with score 8, against 1 for the next best. Its support: lesson 6, line 6: «Careful studies, where neither children nor parents knew who had sugar, found sugar did not make children hyperactive (wildly overactive); excitement at partie…», reached through what was said in the sentence the question matched. What matched: the same doer «child» (+4); the same thing acted on «sugar» (+4). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Exam question 3 · formal language · right ✓
Identify the principal reason for which a shaved hair is perceived to be coarser upon regrowth.
- 1. Shaving increases the thickness of each hair — no support
- 2. Shaving accelerates the rate of hair growth — no support
- 3. The severed hair possesses a blunt tip — ← Mova's choice · ✓ the right answer · score 6
- 4. Shaving doubles the number of follicles — no support
Why: It took the question to ask which statement is true. It chose option 3 with score 6, the only option with support. Its support: lesson 6, line 8: «Shaving does not change how thick, dark or fast hair grows; cut hair just has a blunt tip that feels coarser.», reached through the same lesson line as the sentence the question matched. What matched: the same thing acted on «blunt tip» (+4); the same doer «cut hair» (+2). · the question and its options parsed, with trees and pragmatics
Exam question 4 · formal language · wrong ✗
Ascertain which of the following claims concerning the human body is, notwithstanding its improbable appearance, correct.
- 1. Blood is blue until exposed to air — ← Mova's choice · no support
- 2. Hair and nails continue to grow after death — no support
- 3. Excessive consumption of carrots may tint the skin orange — ✓ the right answer · no support
- 4. Removal of one grey hair occasions the growth of two in its place — 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/myths/6-growing-skin-hair-and-food/