---
title: What sound is: wobbles in the air — the lesson's questions with trees and pragmatics · Physics
description: The 15 test and exam questions of lesson 17 «What sound is: wobbles in the air» 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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# What sound is: wobbles in the air

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The 15 questions of lesson 17 «What sound is: wobbles in the air» of the physics 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/physics/17-what-sound-is-wobbles-in-the-air/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/t1/) — In a space film a spaceship explodes with a huge boom. What is wrong with that? — wrong ✗
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/t2/) — me mate reckons whales just splash about, they can't hear each other far. right? — wrong ✗
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/t3/) — You blow across bottles with different amounts of water and hear different notes. Which idea does this show? — wrong ✗
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/t4/) — What would happen to a guitar if its strings were made very slack and loose? — wrong ✗
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/t5/) — In a cartoon, a character shouts and the words visibly fly through the air as letters. What really travels? — right ✓
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/t6/) — Why do concert halls have special shapes and soft materials? — wrong ✗
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/t7/) — shut it, you can't hear nothing under water, everyone knows that — right ✓
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/t8/) — Doctors want to see a baby inside its mum without any cuts. What do they use? — right ✓
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/t9/) — Your new bedroom is empty and echoey. What would make it quieter? — wrong ✗
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/t10/) — Which shows that you must have something wobbling to make a sound? — wrong ✗
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/t11/) — Your gran says she cannot hear the high beep of the oven any more but you can. Why? — wrong ✗
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/e1/) — Which of the following statements most accurately characterises the phenomenon of sound? — wrong ✗ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/e2/) — Ascertain the reason for which sound cannot be transmitted through the vacuum of space. — wrong ✗ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/e3/) — It is given that a string is shortened and tightened. Determine the consequent alteration in its pitch. — wrong ✗ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/e4/) — Identify the means by which a bat determines the position of obstacles in darkness. — wrong ✗ · exam

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