Hair, nails and ears

Tests: 12 of 19 right · Exam: 4 of 4 right · Kind: ★ · Understood: 16 of 23 · Run: 2026-10-18, commit f3c23ea72

Lesson 77 of the everyday 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 ✓

A girl with long hair is helping her dad with an electric drill. What should she do first?

1. Tie her hair back — ← Mova's choice · ✓ the right answer · no support
2. Let her hair hang over her face — no support
3. Brush her hair smooth — no support
4. Wear her hair in a loose ribbon — 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 · ★ · right ✓

A boy in Brisbane cuts his toenails into deep curves at the corners. What could happen?

1. His nails would grow back thicker — no support
2. His toes would get longer — no support
3. A toenail could grow into the skin — ← Mova's choice · ✓ the right answer · score 6
4. His toenails would stop growing for good — score 4

Why: It took the question to ask what happens next. It chose option 3 with score 6, against 4 for the next best. Its support: lesson 77, line 12: «Toenails cut too short or curved can grow into the skin, which is called an ingrown toenail.», reached through the same lesson line as the sentence the question matched. What matched: the same action «grow» (+2); the same doer «toenails» (+2); the same place «skin» (+2). · the question and its options parsed, with trees and pragmatics

Test 3 · ★ · right ✓

A friend says you should shave your arms so the hair grows back thick and strong. What is true?

1. Only arm hair grows back thicker — no support
2. Cutting hair does not change how it grows — ← Mova's choice · ✓ the right answer · score 2
3. Shaving stops hair growing for good — score 2
4. Shaving always doubles the hair — no support

Why: It took the question to ask which statement is true. It chose option 2 with score 2, tied with another option at 2 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 77, line 9: «Cutting hair does not change how it grows; the cut end only looks blunter.», reached through the option's own match among the sentences about the question's things. What matched: the same action «cut» (+2). · the question and its options parsed, with trees and pragmatics

Test 4 · ★ · wrong ✗

Why do ears not need cleaning inside?

1. Ears are cleaned when you sneeze — ← Mova's choice · score 8
2. Wax moves out of the ear by itself — ✓ the right answer · no support
3. Ears never make any wax — no support
4. Wax is cleaned away from inside by the brain — no support

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 8, the only option with support. Its support: lesson 77, line 16: «Ears clean themselves, so only the outside is washed, and cotton buds are never pushed inside.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «ears» (+4); the same action «clean» (+3); the same doer «ears» (+1). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 5 · ★ · right ✓

What would probably happen if a child pulled off a hangnail?

1. The finger would heal quicker — no support
2. The skin could tear and get infected — ← Mova's choice · ✓ the right answer · score 2
3. Nothing, it is the best method — no support
4. The nail would grow back faster — no support

Why: It took the question to ask what happens next. It chose option 2 with score 2, the only option with support. Its support: lesson 77, line 14: «A hangnail is clipped with clean clippers, because pulling it tears the skin and can cause infection.», reached through what followed the sentence the question matched. What matched: the same action «tear» (+4). Against it: a different doer (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Test 6 · ★ · right ✓

A boy pushes a cotton bud deep into his ear every day. What is the danger?

1. His ears would become too clean — no support
2. Nothing, cotton is soft — no support
3. He could push wax deeper and hurt his eardrum — ← Mova's choice · ✓ the right answer · score 11
4. His ears would slowly stop hearing music — no support

Why: It took the question to ask what it is done to. It chose option 3 with score 11, the only option with support. Its support: lesson 77, line 17: «Cotton buds push wax deeper and can hurt the eardrum.», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+4); the same property (+3); the same action «push» (+2); the same thing acted on «wax» (+2). · the question and its options parsed, with trees and pragmatics

Test 7 · ★ · right ✓

Which habit puts germs into the mouth?

1. Using nail clippers — no support
2. Keeping your nails short — no support
3. Scrubbing under your nails — no support
4. Biting your nails — ← Mova's choice · ✓ the right answer · score 8

Why: It took the question to ask who or what does it. It chose option 4 with score 8, the only option with support. Its support: lesson 77, line 13: «Biting nails puts germs in the mouth and hurts the skin around the nails.», reached through the same lesson line as the sentence the question matched. What matched: the same action «bite» (+4); the same thing acted on «nails» (+4). · the question and its options parsed, with trees and pragmatics

Test 8 · ★ · wrong ✗

After a swim in a lake in Ontario a girl's ear feels full of water. What should she do?

1. Shake her head hard while lying in the water — ← Mova's choice · no support
2. Tilt her head and let it drain, then dry the outside — ✓ the right answer · no support
3. Keep it in so it washes out all the old wax — no support
4. Stick a cotton bud in to soak it up — 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 ✓

A toddler pushes a pea into his ear. What should his big brother do?

1. Pour water in to float it out — no support
2. Tell an adult straight away — ← Mova's choice · ✓ the right answer · score 6
3. Laugh and wait for it to fall out — no support
4. Try to dig it out with tweezers — no support

Why: It took the question to ask what is done. It chose option 2 with score 6, the only option with support. Its support: lesson 77, line 22: «Cotton buds pushed into the ear can damage the eardrum and push wax deeper, so doctors say not to put anything in the ear.», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+4); the same action «say» (+3). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 10 · ★ · wrong ✗

ear's itchy, gonna dig in with a cotton bud

1. Yes, ears need cleaning deep inside every day — ← Mova's choice · score 9
2. Yes, but use a hair clip instead — no support
3. No, it pushes wax deeper and can hurt the eardrum — ✓ the right answer · score 6
4. Yes, push it right in to clean — score 4

Why: It took the question to ask which statement is true. It chose option 1 with score 9, against 6 for the next best. Its support: lesson 77, line 6: «A girl in Toronto pushed a cotton bud deep into her ear; it pressed the wax further in and scratched the eardrum, and her ear hurt for days.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «ear» (+5); the same property (+3); a different action (counts against) (+1). The right option, 3, scored 6. · the question and its options parsed, with trees and pragmatics

Test 11 · ★ · right ✓

my sis says cutting hair makes it grow back thicker

1. Yes, but only if it's cut very short — score 4
2. Yes, it also makes hair grow loads faster — score 3
3. Yes, it grows back thicker each time — score 1
4. No, cutting does not change how hair grows — ← Mova's choice · ✓ the right answer · 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 77, line 9: «Cutting hair does not change how it grows; the cut end only looks blunter.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «cutting» (+5); the same action «change» (+3). · the question and its options parsed, with trees and pragmatics

Test 12 · ★ · wrong ✗

lil bro shoved a bead up his nose 😬

1. Wait and it will come out alone — ← Mova's choice · no support
2. Poke it out with a pencil — no support
3. Tell him to sniff it up hard — no support
4. Tell an adult at once — ✓ the right answer · 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 13 · ★ · wrong ✗

toe's red n swollen right next to the nail, ouch

1. Cut the nail very short and curved at the corners — ← Mova's choice · no support
2. Leave it, it is just a bruise — no support
3. Squeeze it hard until it pops — no support
4. It may be an ingrown toenail, tell a parent — ✓ 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 14 · ★ · right ✓

ear feels blocked, gonna dig with a cotton bud

1. Push it in as far as it goes — no support
2. Pour cold juice in to loosen it — no support
3. Don't, it can hurt your eardrum, tell an adult — ← Mova's choice · ✓ the right answer · score 2
4. Use a pencil instead, it's thinner and gets right in — 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 77, line 6: «A girl in Toronto pushed a cotton bud deep into her ear; it pressed the wax further in and scratched the eardrum, and her ear hurt for days.», reached through the remembered sentence the question matched. What matched: the same action «hurt» (+1); the same doer «ear» (+1). · the question and its options parsed, with trees and pragmatics

Test 15 · ★ · right ✓

chewed my nail and now my finger is all red n puffy

1. Show an adult, it may be infected — ← Mova's choice · ✓ the right answer · no support
2. Hide it in a glove till it goes away on its own — no support
3. Chew it more so it heals faster — no support
4. Squeeze it hard to empty it — 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 16 · ★ · right ✓

blasting music in earbuds all day on max, fine?

1. No, loud sound for a long time damages hearing for good — ← Mova's choice · ✓ the right answer · no support
2. Only the left ear gets hurt — no support
3. Yes, earbuds are always safe — no support
4. Yes, ears get used to any noise if you give them a few weeks — 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 17 · ★ · wrong ✗

heard a girl's hair got caught in the drill in tech class and it nearly scalped her, what's the real lesson

1. Long hair should be cut off for every class — score 2
2. Machines only catch short hair, not long — ← Mova's choice · score 4
3. Hold your hair with one hand while drilling — no support
4. Tie long hair back near machines and flames — ✓ the right answer · score 3

Why: It took the question to ask which statement is true. It chose option 2 with score 4, against 3 for the next best. Its support: lesson 45, line 7: «A girl in a backyard pool in California got her long hair caught near a pool drain; an adult switched off the pump, and she was freed after a frightening momen…», reached through the remembered sentence the question matched. What matched: the same thing acted on «long hair» (+3); the same action «catch» (+1). The right option, 4, scored 3. · the question and its options parsed, with trees and pragmatics

Test 18 · ★ · right ✓

my cousin says if u shave ur arm the hair grows back thick and black like a gorilla, true?

1. No, a myth; cutting hair does not change how it grows — ← Mova's choice · ✓ the right answer · score 6
2. True, every cut hair grows back twice as thick — score -6
3. True, and it grows back in a new colour — no support
4. True, but only on the arms and legs — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 6, against -6 for the next best. Its support: lesson 77, line 2: «Long loose hair can catch in moving machines or a flame, so it is tied back near them; and cutting hair does not make it grow back thicker, the cut end only lo…», reached through the same lesson line as the sentence the question matched. What matched: the same action «cut» (+3); the same thing acted on «hair» (+3). · the question and its options parsed, with trees and pragmatics

Test 19 · ★ · wrong ✗

everyone's saying Ben's got a gross infected finger cos he's a nail-biting freak, should i spread it

1. No, it's unkind; say nothing, or kindly suggest he tell an adult — ✓ the right answer · no support
2. Yes, and take a photo of the finger for the chat — no support
3. Yes, but only to the people at his table — no support
4. Yes, everyone should know he is a freak — ← Mova's choice · score 2

Why: It took the question to ask which statement is true. It chose option 4 with score 2, the only option with support. Its support: lesson 52, line 2: «Everyone knows how it feels to be left out, so a good friend notices a child standing alone and invites them in: «Do you want to play with us?»», reached through the option's own match among the sentences about the question's things. What matched: the same action «know» (+2). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · right ✓

Identify the principal reason for which cotton buds are not to be inserted into the ear.

1. They cause the ears to stop producing wax entirely — score 9
2. They remove all the wax the ear requires — score 9
3. They push wax deeper and may injure the eardrum — ← Mova's choice · ✓ the right answer · score 14
4. They are too soft to reach any wax at all — score 9

Why: It took the question to ask which statement is true. It chose option 3 with score 14, against 9 for the next best. Its support: lesson 77, line 22: «Cotton buds pushed into the ear can damage the eardrum and push wax deeper, so doctors say not to put anything in the ear.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «cotton buds» (+5); the same action «push» (+3); the same thing acted on «wax» (+3); the same property (+3). · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · right ✓

Which of the following most accurately characterises the correct manner of cutting toenails?

1. Straight across, so that they do not grow into the skin — ← Mova's choice · ✓ the right answer · score 10
2. Filed from beneath until they are thin — score 5
3. In a deep curve, cut as short as possible — score 5
4. Torn off by hand when they become long — score 5

Why: It took the question to ask who or what does it. It chose option 1 with score 10, against 5 for the next best. Its support: lesson 77, line 12: «Toenails cut too short or curved can grow into the skin, which is called an ingrown toenail.», reached through the option's own match among the sentences about the question's things. What matched: the same action «grow» (+4); the same place «skin» (+2); it fills the role the question asks for (+2); the same doer «toenails» (+1). · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · right ✓

Select the response consistent with the established facts concerning a hangnail.

1. It is clipped with clean clippers, since pulling tears the skin — ← Mova's choice · ✓ the right answer · score 12
2. It is bitten off, since saliva heals the skin — no support
3. It is left to grow until it falls off unaided — no support
4. It is pulled off quickly, since this causes less pain and heals sooner — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 12, the only option with support. Its support: lesson 77, line 14: «A hangnail is clipped with clean clippers, because pulling it tears the skin and can cause infection.», reached through the remembered sentence the question matched. What matched: the same circumstance (+4); its «because» matches the remembered cause (+4); the same thing acted on «hangnail» (+3); the same action «clip» (+1). · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · right ✓

Determine the recommended course of action whereas water remains lodged in the ear after swimming.

1. Tilt the head to that side and allow it to drain — ← Mova's choice · ✓ the right answer · no support
2. Pour further water in so as to flush it out — no support
3. Lie on the opposite side so it remains inside — no support
4. Insert a cotton bud deep into the ear canal — 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/everyday/77-hair-nails-and-ears/