---
title: Minerals and crystals — the lesson's questions with trees and pragmatics · Geography
description: The 14 test and exam questions of lesson 50 «Minerals and crystals» of the geography 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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# Minerals and crystals

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The 14 questions of lesson 50 «Minerals and crystals» of the geography course of Mova's primary school with their options, 76 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/geography/50-minerals-and-crystals/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/t1/) — "found gold in the stream!!! shiny cubes, gonna be rich" What should you check first? — right ✓ · ★★
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/t2/) — Your friend says: "Every rock is a mineral." Put her right. — wrong ✗ · ★★
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/t3/) — A mystery mineral scratches glass but is scratched by quartz. What can you say about it? — wrong ✗ · ★★
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/t4/) — What would happen if you let a saucer of salty water evaporate on a windowsill? — right ✓ · ★★
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/t5/) — "two yellow shiny rocks same size, one's way heavier. which is gold?" — wrong ✗ · ★★
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/t6/) — A cartoon miner scratches a diamond with his fingernail. What's wrong? — wrong ✗ · ★★
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/t7/) — A crystal and a piece of glass both look clear. What is the real difference inside? — right ✓ · ★★
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/t8/) — How could deep layers of rock salt end up under dry land in England? — wrong ✗ · ★★
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/t9/) — Why did the Naica crystals grow so huge? — right ✓ · ★★
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/t10/) — Leo says quartz is a rare gem you only find in shops. What's true? — right ✓ · ★★
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/e1/) — Which of the following statements most accurately characterises a mineral? — wrong ✗ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/e2/) — Identify the property ranked by the Mohs scale. — wrong ✗ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/e3/) — It is given that a yellow metallic specimen leaves a black streak upon an unglazed tile. Ascertain its most probable identity. — right ✓ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/geography/50-minerals-and-crystals/e4/) — Select the response that is consistent with the established facts concerning the formation of halite deposits. — right ✓ · exam

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