---
title: Colours of fire: fireworks — the lesson's questions with trees and pragmatics · Chemistry
description: The 15 test and exam questions of lesson 26 «Colours of fire: fireworks» of the chemistry 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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# Colours of fire: fireworks

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The 15 questions of lesson 26 «Colours of fire: fireworks» of the chemistry course of Mova's primary school with their options, 82 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/chemistry/26-colours-of-fire-fireworks/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/t1/) — Sam's big brother says red fireworks are red because there's red paint inside. What's true? — right ✓ · ★
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/t2/) — "sparkler's just a pretty light, it's not even hot, innit". Right? — right ✓ · ★
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/t3/) — If you put a glow stick in the freezer, what happens? — right ✓ · ★
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/t4/) — A game says fireflies glow because they swallowed tiny stars. What really happens? — right ✓ · ★
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/t5/) — Gran: "the old street lamps were orange as anything, why tho?" — wrong ✗ · ★
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/t6/) — Which pair is right? — wrong ✗ · ★
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/t7/) — "fireworks were invented for war first, then for fun". What's true? — wrong ✗ · ★
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/t8/) — Oli: "the green in the northern lights is fire in the sky". What's really glowing? — wrong ✗ · ★
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/t9/) — After the display Tom wants to bin his used sparklers in the paper bag. What should he do? — wrong ✗ · ★
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/t10/) — If a firework had only sodium for colour, what would you see? — wrong ✗ · ★
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/t11/) — Why is the air dirtier for a few hours after a big display? — right ✓ · ★
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/e1/) — Identify the principal origin of the diverse colours observed in pyrotechnic displays. — wrong ✗ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/e2/) — It is given that a small quantity of common salt is introduced into a gas flame. Select the observation most consistent with the established facts. — right ✓ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/e3/) — Which of the following statements most accurately characterises the luminescence of a bent glow stick? — right ✓ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/26-colours-of-fire-fireworks/e4/) — Ascertain the reason for which a sparkler must be held at arm's length. — wrong ✗ · exam

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