---
title: Clever reasoning about water and matter — the lesson's questions with trees and pragmatics · World
description: The 17 test and exam questions of lesson 20 «Clever reasoning about water and matter» of the world 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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# Clever reasoning about water and matter

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The 17 questions of lesson 20 «Clever reasoning about water and matter» of the world course of Mova's primary school with their options, 90 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/world/20-reasoning-water-and-matter/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t1/) — A sealed plastic bottle filled to the top with water is put in the freezer. What happens? — wrong ✗ · ★★★
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t2/) — A girl says, "My glass of cold lemonade is leaking, it is wet outside." What would show she is wrong? — wrong ✗ · ★★★
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t3/) — If ice were denser than water, what might happen to pond life in a long hard winter? — wrong ✗ · ★★★
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t4/) — How can salt melt the ice on a road at -5 °C? — right ✓ · ★★★
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t5/) — In the same cold weather, a lake freezes over but the sea beside it does not freeze. What is the best explanation? — right ✓ · ★★★
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t6/) — Why does a pond freeze first at the top and not at the bottom? — wrong ✗ · ★★★
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t7/) — Ice cubes float in a glass of water filled exactly to the brim. What happens as they melt? — wrong ✗ · ★★★
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t8/) — Why does a mountain hut buried under deep snow stay warmer inside than the frosty air? — wrong ✗ · ★★★
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t9/) — Why does your breath make a white cloud on a frosty day but not on a warm day? — right ✓ · ★★★
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t10/) — why do ice cubes float in ur drink — right ✓ · ★★★
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t11/) — if the ice in my glass melts will it overflow — right ✓ · ★★★
- [t12](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t12/) — Leo says the drops on a cold glass leak through from inside. true? — right ✓ · ★★★
- [t13](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/t13/) — my brother says road salt melts ice however cold it is. right? — wrong ✗ · ★★★
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/e1/) — Identify the principal reason for which ice floats upon liquid water. — right ✓ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/e2/) — It is given that a lake freezes at its surface in winter. Ascertain the usual temperature of its deepest water. — right ✓ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/e3/) — Select the response that is consistent with the established facts concerning the drops upon the exterior of a cold glass. — wrong ✗ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/world/20-reasoning-water-and-matter/e4/) — Whereas floating ice melts in a glass of water, determine the effect upon the water level. — right ✓ · exam

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