--- title: Pressure tricks: pumps, tyres and vacuums — the lesson's questions with trees and pragmatics · Physics description: The 15 test and exam questions of lesson 16 «Pressure tricks: pumps, tyres and vacuums» 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. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Physics](https://md.mova.elamur.ai/free/en/corpora/questions/physics/) / Pressure tricks: pumps, tyres and vacu… # Pressure tricks: pumps, tyres and vacuums The 15 questions of lesson 16 «Pressure tricks: pumps, tyres and vacuums» of the physics course of Mova's primary school with their options, 83 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/16-pressure-tricks-pumps-tyres-vacuums/). - [t1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/t1/) — oi, why's me football all soft now? pumped it up in the house, now it's frosty out — wrong ✗ · ★★ - [t2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/t2/) — Your friend says a hoover "sucks the dirt in". What would a physicist say? — right ✓ · ★★ - [t3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/t3/) — A camper on a very high mountain says his pasta is still hard after the usual time. What would help? — wrong ✗ · ★★ - [t4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/t4/) — Crap, mum shook the cola bottle before handing it to me. What happens if I open it now? — right ✓ · ★★ - [t5](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/t5/) — What would happen if you tried to breathe in with your chest unable to get any bigger? — right ✓ · ★★ - [t6](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/t6/) — A ketchup bottle gurgles when you stop squeezing. What is happening? — right ✓ · ★★ - [t7](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/t7/) — Which shows warmth making air push harder? — right ✓ · ★★ - [t8](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/t8/) — In a cartoon a cook opens a pressure cooker the moment it stops hissing and smiles. What is the real rule? — right ✓ · ★★ - [t9](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/t9/) — How is breathing in like pulling back the plunger of a syringe? — right ✓ · ★★ - [t10](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/t10/) — You leave a hot jar of homemade jam to cool with the lid on tight. A day later the lid is pulled in. Why? — right ✓ · ★★ - [t11](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/t11/) — Would a vacuum cleaner work on the Moon, with no air at all? — right ✓ · ★★ - [e1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/e1/) — Identify the principal reason for which water boils at a reduced temperature at high altitude. — wrong ✗ · exam - [e2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/e2/) — Which of the following statements most accurately characterises the operation of a vacuum cleaner? — wrong ✗ · exam - [e3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/e3/) — It is given that the volume of the chest cavity is enlarged during inhalation. Determine the immediate consequence. — wrong ✗ · exam - [e4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/16-pressure-tricks-pumps-tyres-vacuums/e4/) — State the reason for which a pressure cooker is fitted with a safety valve. — wrong ✗ · exam - ← previous: [15. Wind and weather](https://md.mova.elamur.ai/free/en/corpora/questions/physics/15-wind-and-weather/) - next →: [17. What sound is: wobbles in the air](https://md.mova.elamur.ai/free/en/corpora/questions/physics/17-what-sound-is-wobbles-in-the-air/) - ↑ back to [Physics](https://md.mova.elamur.ai/free/en/corpora/questions/physics/)