---
title: Melting, freezing and boiling — the lesson's questions with trees and pragmatics · World
description: The 17 test and exam questions of lesson 12 «Melting, freezing and boiling» 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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# Melting, freezing and boiling

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The 17 questions of lesson 12 «Melting, freezing and boiling» of the world course of Mova's primary school with their options, 88 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/12-melting-freezing-boiling/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t1/) — Red-hot lava cools and becomes rock. What change of state is this? — wrong ✗
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t2/) — An ice lolly is left in the sunshine. What happens and why? — wrong ✗
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t3/) — Which is true? — wrong ✗
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t4/) — Why do water pipes sometimes burst in a very cold winter? — wrong ✗
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t5/) — A cook wants to cook pasta faster by heating boiling water even more strongly. Why will it not get much hotter? — wrong ✗
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t6/) — Which of these is NOT a change of state? — right ✓
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t7/) — Which needs the highest temperature to melt? — right ✓
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t8/) — Which takes up more space: one kilogram of ice or one kilogram of liquid water? — right ✓
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t9/) — What do boiling and melting have in common? — wrong ✗
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t10/) — wot temp does water boil at again — wrong ✗
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t11/) — why'd the bottle crack in the freezer — wrong ✗
- [t12](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t12/) — my sister says the bubbles in boiling water are air. true? — right ✓
- [t13](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t13/) — Mia says if u turn the hob up the boiling water gets way hotter than 100. right? — right ✓
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/e1/) — State the temperature at which pure water freezes. — right ✓ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/e2/) — Whereas ice is undergoing melting, ascertain the temperature thereof until the process is complete. — wrong ✗ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/e3/) — Select the response that is consistent with the established facts concerning the bubbles observed in boiling water. — right ✓ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/e4/) — Identify the principal reason for which water boils below one hundred degrees Celsius at high altitude. — wrong ✗ · exam

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