---
title: Rockets, record speeds and motion everywhere — the lesson's questions with trees and pragmatics · Physics
description: The 16 test and exam questions of lesson 38 «Rockets, record speeds and motion everywhere» 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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# Rockets, record speeds and motion everywhere

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The 16 questions of lesson 38 «Rockets, record speeds and motion everywhere» of the physics course of Mova's primary school with their options, 86 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/38-rockets-record-speeds-and-motion-everywhere/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/t1/) — lol my mate says rockets can't work in space cos there's no air to push on. is he right? — right ✓ · ★★★
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/t2/) — In a cartoon, a rocket orbits the Earth slowly, just faster than a car. What's wrong? — right ✓ · ★★★
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/t3/) — Grandpa's sitting in his armchair "doing nothing". How fast is he really moving through space? — wrong ✗ · ★★★
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/t4/) — If you stood on a skateboard and threw a heavy ball forward, then switched to throwing it backward, what would change? — wrong ✗ · ★★★
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/t5/) — shut up and hold the hose properly, it's flapping everywhere!! why does it even do that — right ✓ · ★★★
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/t6/) — In the car, Mum brakes; your backpack slides forward but your helium balloon leans back. Why the difference? — right ✓ · ★★★
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/t7/) — What would a curling stone do on rough, bumpy ice? — wrong ✗ · ★★★
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/t8/) — Why might a satellite need to be launched from near the equator, where the ground spins fastest? — wrong ✗ · ★★★
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/t9/) — Lila says an octopus swims just like a rocket. Is she right? — wrong ✗ · ★★★
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/t10/) — A rocket is mostly fuel. What happens to the empty fuel tanks? — right ✓ · ★★★
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/t11/) — Which needs the biggest push back to manage: a garden hose, a fire hose or a drinking straw? — wrong ✗ · ★★★
- [t12](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/t12/) — You push your skateboard once on a smooth path and it rolls for ages; on gravel it stops at once. Why? — right ✓ · ★★★
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/e1/) — Identify the principle by which a rocket is propelled in the absence of an atmosphere. — right ✓ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/e2/) — Ascertain the reason for which a satellite in orbit does not descend to the Earth. — right ✓ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/e3/) — Which of the following statements most accurately characterises the motion of a person seated at rest upon the Earth? — wrong ✗ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/38-rockets-record-speeds-and-motion-everywhere/e4/) — Select the response consistent with the established facts concerning the propulsion of a squid. — wrong ✗ · exam

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