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title: Floating in the real world: ice, submarines and balloons — the lesson's questions with trees and pragmatics · Physics
description: The 15 test and exam questions of lesson 12 «Floating in the real world: ice, submarines and balloons» of the physics course of Mova's primary school, each with its options, Mova's choice and the right answer, every sentence with its dependency tree and pragmatics.
---

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# Floating in the real world: ice, submarines and balloons

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The 15 questions of lesson 12 «Floating in the real world: ice, submarines and balloons» of the physics course of Mova's primary school with their options, 80 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/physics/12-ice-submarines-and-balloons/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/t1/) — bro just let the balloons go at the party, they'll come back right — right ✓ · ★
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/t2/) — What would happen to a pond in winter if ice sank? — right ✓ · ★
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/t3/) — In a film a whole ship hits a tiny bit of ice and sinks. Why is that not so strange? — wrong ✗ · ★
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/t4/) — Mia says oil sinks cos it's thick and heavy. right? — right ✓ · ★
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/t5/) — You put a can of normal cola and a can of diet cola in a bowl of water. What happens? — wrong ✗ · ★
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/t6/) — What would a submarine do if it could not blow its tanks? — wrong ✗ · ★
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/t7/) — Why is a helium balloon like a piece of wood in a pond? — wrong ✗ · ★
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/t8/) — You push a resting paper clip through the water's skin. What happens? — right ✓ · ★
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/t9/) — People crossing a river on a bottle raft should also... — right ✓ · ★
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/t10/) — A hot-air balloon pilot stops firing the burner. What happens? — right ✓ · ★
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/t11/) — Which shows that water grows bigger when it freezes? — right ✓ · ★
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/e1/) — Which of the following statements most accurately characterises the reason for which ice floats upon water? — right ✓ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/e2/) — Identify the principal means by which a submarine is caused to descend. — wrong ✗ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/e3/) — It is given that the air within a hot-air balloon is permitted to cool. Ascertain the consequence for the balloon. — wrong ✗ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/12-ice-submarines-and-balloons/e4/) — Determine the reason for which a steel paper clip, gently placed, remains upon the surface of water. — wrong ✗ · exam

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