--- title: Bangs and loud sounds: firecrackers and ears — the lesson's questions with trees and pragmatics · Physics description: The 15 test and exam questions of lesson 19 «Bangs and loud sounds: firecrackers and ears» 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/19-bangs-and-loud-sounds-firecrackers-and-ears/) [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/) / Bangs and loud sounds: firecrackers an… # Bangs and loud sounds: firecrackers and ears The 15 questions of lesson 19 «Bangs and loud sounds: firecrackers and ears» of the physics course of Mova's primary school with their options, 80 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/19-bangs-and-loud-sounds-firecrackers-and-ears/). - [t1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/t1/) — my bro says a dud firework is safe to pick up after a minute. right? — right ✓ · ★ - [t2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/t2/) — mate held a banger in his hand for a laugh in a video. what's the real danger? — right ✓ · ★ - [t3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/t3/) — What would happen if a firecracker burst far away across a field instead of next to you? — wrong ✗ · ★ - [t4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/t4/) — In a cartoon a firecracker goes off in a cat's paws and the cat just has sooty fur. What is wrong? — wrong ✗ · ★ - [t5](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/t5/) — Why is a balloon pop like a tiny firecracker bang? — wrong ✗ · ★ - [t6](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/t6/) — Bloody neighbours with their fireworks again, my dog's shaking under the bed. What helps? — wrong ✗ · ★ - [t7](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/t7/) — Why is ringing in the ears after a concert or a bang not something to laugh off? — right ✓ · ★ - [t8](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/t8/) — Which is true about how sound weakens? — wrong ✗ · ★ - [t9](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/t9/) — A new rubber strip is stuck on the door frame. What will change? — wrong ✗ · ★ - [t10](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/t10/) — A friend says noise-cancelling headphones work by just being very thick. What is the cleverer truth? — wrong ✗ · ★ - [t11](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/t11/) — A film crew crunches celery for the sound of a breaking bone. Why does it work? — right ✓ · ★ - [e1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/e1/) — Identify the principal mechanism by which a firecracker produces its report. — right ✓ · exam - [e2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/e2/) — Which of the following statements most accurately characterises the appropriate conduct in respect of a firework that has failed to ignite? — right ✓ · exam - [e3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/e3/) — State the consequence of acoustic injury to the sensory hair cells of the inner ear. — wrong ✗ · exam - [e4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/e4/) — Ascertain the principle by which noise-cancelling headphones reduce ambient noise. — right ✓ · exam - ← previous: [18. Thunder, sirens and how fast sound travels](https://md.mova.elamur.ai/free/en/corpora/questions/physics/18-thunder-sirens-and-how-fast-sound-travels/) - next →: [20. Light and shadows](https://md.mova.elamur.ai/free/en/corpora/questions/physics/20-light-and-shadows/) - ↑ back to [Physics](https://md.mova.elamur.ai/free/en/corpora/questions/physics/)