Kitchen floors, food safety and the microwave

Tests: 12 of 19 right · Exam: 3 of 4 right · Kind: ★ · Understood: 17 of 23 · Run: 2026-10-18, commit f3c23ea72

Lesson 106 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 · ★ · wrong ✗

Ruby in Melbourne finds blue fuzz on one corner of a loaf. Her friend says, «Just cut it off.» Who is right?

1. Both, as mould is harmless — no support
2. The friend, if she toasts the bread — no support
3. The friend, because mould only ever stays on the surface where you can see it — ← Mova's choice · score 5
4. Ruby should throw it away, as the mould spreads unseen — ✓ the right answer · no support

Why: It took the question to ask which statement is true. It chose option 3 with score 5, the only option with support. Its support: lesson 52, line 25: «Two friends sometimes have a crush on the same person; a good friend to both stays friends with both and does not take sides.», reached through the option's own match among the sentences about the question's things. What matched: the same action «stay» (+4); the same doer «good friend» (+1). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 2 · ★ · right ✓

Which is true about food left out in a warm room?

1. Food lasts longer outside the fridge — score 8
2. Germs grow fast at room temperature — ← Mova's choice · ✓ the right answer · score 11
3. Cooked food can never go bad — score 2
4. Germs can only grow in the fridge — score 6

Why: It took the question to ask which statement is true. It chose option 2 with score 11, against 8 for the next best. Its support: lesson 106, line 10: «Germs grow fast at room temperature, so cooked food left out for hours can be unsafe.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «germs» (+4); the same property (+3); the same action «grow» (+2); the same place «room temperature» (+2). · the question and its options parsed, with trees and pragmatics

Test 3 · ★ · wrong ✗

Why can carrying a hot pan across a wet floor be very dangerous?

1. Pans slide off wet hands only — no support
2. Someone could slip and be burnt as well as hurt — ✓ the right answer · no support
3. Water makes pans hotter — ← Mova's choice · score 2
4. Wet floors make the pans much heavier to hold — score 1

Why: It took the question to ask why something happens (its cause). It chose option 3 with score 2, against 1 for the next best. Its support: lesson 105, line 3: «Hot pans, boiling water, steam and hot oil burn badly, and they stay hot long after the heat is off.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «hot pans» (+2); the same property (+1). Against it: a different action (counts against) (-1). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 4 · ★ · wrong ✗

A girl in a café gives her friend with a nut allergy a «tiny bit» of a nutty cake. What is true?

1. A tiny bit is always safe — ← Mova's choice · no support
2. Allergies stop after age eight — no support
3. Even a tiny amount can cause a dangerous reaction — ✓ the right answer · no support
4. Allergies only matter when you eat a big meal of nuts — 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 5 · ★ · right ✓

Jack heats leftovers on a plate with a gold rim and sees sparks. What should he have used?

1. The same plate covered in foil — score 2
2. A metal tray instead — no support
3. A metal pan with a lid — no support
4. A plain microwave-safe dish — ← Mova's choice · ✓ the right answer · score 5

Why: It took the question to ask a circumstance (with what, when, how). It chose option 4 with score 5, against 2 for the next best. Its support: lesson 106, line 13: «Use only microwave-safe dishes: metal, foil and gold rims make sparks and can start a fire.», reached through the remembered sentence the question matched. What matched: the same action «use» (+3); it fills the role the question asks for (+3); the same circumstance (+1). Against it: a different doer (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Test 6 · ★ · right ✓

What would most likely happen to an egg in its shell in the microwave?

1. It stays raw inside the shell — no support
2. It cooks perfectly like a boiled egg — score 4
3. It turns into an omelette — no support
4. Steam builds up and it bursts — ← Mova's choice · ✓ the right answer · score 6

Why: It took the question to ask which statement is true. It chose option 4 with score 6, against 4 for the next best. Its support: lesson 106, line 14: «Never microwave a whole egg in its shell, because steam builds up and it explodes.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «steam» (+4); the same action «explode» (+2). · the question and its options parsed, with trees and pragmatics

Test 7 · ★ · wrong ✗

Why does leaving the fridge door open waste electricity?

1. The open door makes the motor turn backwards and use more power — ← Mova's choice · score 1
2. The fridge must work harder to cool the warm air — ✓ the right answer · no support
3. Cold air makes the fridge switch off — no support
4. The fridge light uses up all the power — no support

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 1, the only option with support. Its support: lesson 34, line 4: «For example, if a girl wakes to the alarm and her bedroom door feels hot, the fire may be right behind it. She keeps it shut and uses her second way out, such…», reached through the option's own match among the sentences about the question's things. What matched: the same action «use» (+2); the same doer «door» (+2). Against it: a different thing acted on (counts against) (-3). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 8 · ★ · right ✓

A plastic tub with a tight lid swells in the microwave. What is the problem?

1. Pressure is building and it can burst — ← Mova's choice · ✓ the right answer · no support
2. The microwave is too weak — no support
3. The tub is getting colder inside as the food heats up — no support
4. The food is turning into air — 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 ✓

Why should small children not run in the kitchen during cooking?

1. Children are not allowed in kitchens — score 4
2. Running uses up the oxygen in the room — score 1
3. Running about makes the food on the hob cook unevenly — no support
4. Knives, hot pans and slippery floors make falls dangerous — ← Mova's choice · ✓ the right answer · score 5

Why: It took the question to ask why something happens (its cause). It chose option 4 with score 5, against 4 for the next best. Its support: lesson 106, line 3: «The kitchen is no place to run: knives, hot pans and slippery floors make a fall there much worse.», reached through the same lesson line as the sentence the question matched. What matched: the same thing acted on «fall» (+4); the same doer «knives» (+1). · the question and its options parsed, with trees and pragmatics

Test 10 · ★ · right ✓

bit of mould on the bread, i'll just pull that bit off

1. Toast it to kill the mould — no support
2. Throw the whole loaf, mould spreads further than you see — ← Mova's choice · ✓ the right answer · score 6
3. Pull that bit off and eat the rest, it's fine — no support
4. Cut the crust off and eat it — 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 106, line 4: «For example, a girl in Florida who sees a fuzzy green spot on the bread throws the whole loaf away, because mould spreads threads you cannot see.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «mould» (+4); the same action «spread» (+2). · the question and its options parsed, with trees and pragmatics

Test 11 · ★ · right ✓

can i do a boiled egg in the microwave, shell n all

1. Yes, if you cover it with foil — no support
2. Yes, if you do it on high — no support
3. No, a whole egg in its shell explodes — ← Mova's choice · ✓ the right answer · score 5
4. Yes, two minutes on full power is perfect — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 5, the only option with support. Its support: lesson 106, line 2: «A microwave heats food by making the water in it jiggle, but metal makes sparks, sealed things burst and a whole egg explodes.», reached through the option's own match among the sentences about the question's things. What matched: the same action «explode» (+4); the same doer «whole egg» (+1). · the question and its options parsed, with trees and pragmatics

Test 12 · ★ · right ✓

somethings on fire in the microwave!! open it??

1. Take the plate out quickly — no support
2. Keep the door shut, switch off at the wall, call a grown-up — ← Mova's choice · ✓ the right answer · score 8
3. Open it a crack to let the smoke out first — no support
4. Open it and throw water in — 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 106, line 16: «If something catches fire inside a microwave, keep the door shut, switch it off at the wall and call a grown-up.», reached through the same lesson line as the sentence the question matched. What matched: the same thing acted on «door» (+3); the same property (+3); the same action «keep» (+2). · the question and its options parsed, with trees and pragmatics

Test 13 · ★ · right ✓

heating my soup in the bowl w the gold rim

1. No, gold rims make sparks, use a microwave-safe dish — ← Mova's choice · ✓ the right answer · score 5
2. Yes, gold rims are totally safe to heat for a bit — no support
3. Yes, if it is only for a minute — no support
4. Yes, if you heat it slowly — 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 106, line 2: «A microwave heats food by making the water in it jiggle, but metal makes sparks, sealed things burst and a whole egg explodes.», reached through a sentence linked to the one the question matched. What matched: the same action «make» (+2); the same thing acted on «sparks» (+2); a different doer (counts against) (+1). · the question and its options parsed, with trees and pragmatics

Test 14 · ★ · wrong ✗

spilt juice on the floor, i'll clean it later

1. Only clean it if it's oil — ← Mova's choice · no support
2. Leave it, it dries — no support
3. Wipe it now, someone could slip and get hurt — ✓ the right answer · no support
4. Put a towel on top of it and walk off, it's fine — 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 15 · ★ · right ✓

microwave sparking, there's a fork in the bowl

1. Open the door quickly and grab the fork out of it — no support
2. Stop it, keep the door shut and get an adult — ← Mova's choice · ✓ the right answer · score 6
3. Let it keep going — no support
4. Throw water on it — 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 106, line 6: «A girl in Texas put a metal spoon in a bowl in the microwave; it sparked and caught fire, and the family had to switch off and keep the door shut until it went…», reached through the same lesson line as the sentence the question matched. What matched: the same thing acted on «door» (+3); the same property (+3); the same action «keep» (+2). Against it: a different doer (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Test 16 · ★ · wrong ✗

chicken looks a bit pink inside, eat it anyway?

1. Only if it's hot outside — ← Mova's choice · no support
2. Yes, pink in the middle just means it's nice and juicy — no support
3. Yes, if you add ketchup — no support
4. No, cook it till it's done all through or you can get sick — ✓ 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 17 · ★ · right ✓

omg a girl put a spoon in the microwave n it exploded n the whole kitchen burnt down, my cousin said. what's probably exaggerated

1. Nothing, a spoon always burns down a kitchen — no support
2. That metal left in a microwave really can make sparks and flashes — no support
3. That it was a spoon left in the bowl — score 2
4. The whole kitchen; metal does spark and can start a fire — ← Mova's choice · ✓ the right answer · score 5

Why: It took the question to ask which statement is true. It chose option 4 with score 5, against 2 for the next best. Its support: lesson 38, line 7: «A boy in Leeds put a metal spoon in a bowl in the microwave; it sparked and set off a small fire, and the microwave was ruined.», reached through the option's own match among the sentences about the question's things. What matched: the same action «set off» (+4); the same thing acted on «small fire» (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 18 · ★ · right ✓

did u hear a kid shared his peanut sandwich with Ella n she had to go to hospital, everyone's blaming Ella for being fussy. what's the real lesson

1. Ella should eat whatever she is offered at lunch — no support
2. Never share food with someone who has an allergy — ← Mova's choice · ✓ the right answer · score 6
3. Allergies only matter when the food is cooked — no support
4. Tiny amounts of food never cause a reaction — 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 106, line 12: «Never share food with someone who has an allergy; even a tiny amount can cause a dangerous reaction.», reached through the option's own match among the sentences about the question's things. What matched: the same action «share» (+4); the same thing acted on «food» (+2). · the question and its options parsed, with trees and pragmatics

Test 19 · ★ · wrong ✗

Max's mum slipped on oil he spilt n burnt her leg, everyone's saying it's all his fault n he's grounded forever lol, tell the class?

1. Yes, but only the part about being grounded — no support
2. Yes, so everyone knows Max is careless — ← Mova's choice · score 5
3. Yes, because it is funny that he is in trouble and everyone should laugh at him — no support
4. No, it is private; the lesson is wipe spills up at once — ✓ the right answer · no support

Why: It took the question to ask which statement is true. It chose option 2 with score 5, 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» (+4); the same doer «everyone» (+1). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

Identify the principal reason for which a whole egg in its shell must not be heated in a microwave oven.

1. The egg is rendered poisonous by the heating — ← Mova's choice · no support
2. The shell absorbs all of the energy of the oven and catches fire — no support
3. The yolk is cooked before the white is warmed — no support
4. Steam accumulates within the shell and it explodes — ✓ 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 ✓

Whereas mould is observed upon one slice of a loaf, determine the appropriate course of action.

1. Discard the whole loaf, as the threads spread unseen — ← Mova's choice · ✓ the right answer · no support
2. Toast the slice so as to destroy the mould — no support
3. Discard only the slice upon which it is seen — no support
4. Remove the visible mould with a knife and eat the remainder — 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 ✓

Pursuant to an outbreak of fire within a microwave oven, ascertain the correct procedure.

1. Keep the door shut, switch off at the wall and call an adult — ← Mova's choice · ✓ the right answer · score 7
2. Open the door at once and throw cold water upon the flames inside — score 6
3. Open the door so that the smoke may leave the oven — score 6
4. Remove the burning food by hand and run it under a tap — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 7, against 6 for the next best. Its support: lesson 106, line 16: «If something catches fire inside a microwave, keep the door shut, switch it off at the wall and call a grown-up.», reached through the option's own match among the sentences about the question's things. What matched: the same action «keep» (+4); the same thing acted on «door» (+2); the same property (+1). · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · right ✓

Select the response that is consistent with the established facts concerning cooked food left at room temperature.

1. Cooked food remains safe at room temperature for weeks at a time — score 2
2. It becomes safe again once it has cooled completely — score 2
3. Germs grow rapidly, so after some hours it may be unsafe — ← Mova's choice · ✓ the right answer · score 6
4. Germs cannot grow in food that has once been cooked — score 6

Why: It took the question to ask which statement is true. It chose option 3 with score 6, tied with another option at 6 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 106, line 1: «Germs grow fast in food left warm, so food goes in the fridge, the fridge door stays shut and mouldy food is thrown away.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «germs» (+4); the same action «grow» (+2). · the question and its options parsed, with trees and pragmatics

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