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title: Water safety and the ocean — the lesson's questions with trees and pragmatics · Physics
description: The 16 test and exam questions of lesson 13 «Water safety and the ocean» 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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# Water safety and the ocean

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The 16 questions of lesson 13 «Water safety and the ocean» of the physics course of Mova's primary school with their options, 87 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/13-water-safety-and-the-ocean/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/t1/) — My mate reckons drowning people always scream and wave, so you'd know. right? — wrong ✗ · ★★★
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/t2/) — the pond's frozen solid, dare ya to walk across. do it? — right ✓ · ★★★
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/t3/) — You are caught in a rip current. Your friend says swim hard for the shore. What is better? — right ✓ · ★★★
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/t4/) — You see a kid in the deep end bobbing and gasping. What do you do? — right ✓ · ★★★
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/t5/) — Your sister stands up in a canoe to wave. What will probably happen? — right ✓ · ★★★
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/t6/) — What would happen to a diver who shot up from deep water very fast? — right ✓ · ★★★
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/t7/) — In a cartoon, a dam is built thin at the bottom and thick at the top. What is wrong? — right ✓ · ★★★
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/t8/) — Your goldfish floats on its side. What might be wrong? — wrong ✗ · ★★★
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/t9/) — Why is polystyrene in the sea a problem? — right ✓ · ★★★
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/t10/) — Why can you easily lift a heavy friend in the pool but not on land? — right ✓ · ★★★
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/t11/) — Why can't people swim down to where the deepest fish live? — right ✓ · ★★★
- [t12](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/t12/) — Why does a lorry not fall through the ice of a frozen northern lake? — right ✓ · ★★★
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/e1/) — Which of the following statements most accurately characterises the pressure exerted by water at increasing depth? — wrong ✗ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/e2/) — Identify the conduct appropriate to a bather who is carried seawards by a rip current. — right ✓ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/e3/) — It is given that a person in the water is observed to bob and gasp with the head inclined backwards. Ascertain the appropriate course of action for a child observer. — wrong ✗ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/13-water-safety-and-the-ocean/e4/) — Determine the reason for which a dam is constructed with greater thickness at its base. — wrong ✗ · exam

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