--- title: Pendulums, Greenwich and railway time, atomic clocks and p… — the lesson's questions with trees and pragmatics · World description: The 16 test and exam questions of lesson 123 «Pendulums, Greenwich and railway time, atomic clocks and phones» of the world 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/world/123-pendulums-greenwich-atomic-clocks/) [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/) / [World](https://md.mova.elamur.ai/free/en/corpora/questions/world/) / Pendulums, Greenwich and railway time,… # Pendulums, Greenwich and railway time, atomic clocks and phones The 16 questions of lesson 123 «Pendulums, Greenwich and railway time, atomic clocks and phones» of the world course of Mova's primary school with their options, 102 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/world/123-pendulums-greenwich-atomic-clocks/). - [t1](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/t1/) — Leo times a conker on a string: big swing, small swing, same time. His mate: "Nah, big swings take longer, deffo." Who's right? — wrong ✗ · ★ - [t2](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/t2/) — Ava: "15 minutes off a day down to 15 seconds, that's like sixty times better." Check her sum. — wrong ✗ · ★ - [t3](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/t3/) — About Harrison's sea clock: "A clock that saves ships? Mint." ("Mint" means great.) How did a clock save ships? — right ✓ · ★ - [t4](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/t4/) — Mia's brother at Greenwich at 1 pm: "A ball drops down a pole. Is that it?!" Why did it matter? — right ✓ · ★ - [t5](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/t5/) — Jake, from Birmingham: "Two minute hands on one clock, what's the point, bab?" ("Bab" means love or mate.) Why do they make sense? — wrong ✗ · ★ - [t6](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/t6/) — Lily: "So Greenwich is, like, the boss of time?" Best answer? — right ✓ · ★ - [t7](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/t7/) — Arjun: "A crystal in my watch wiggles? Dad's taking the mick." ("Taking the mick" means joking.) Is Dad joking? — right ✓ · ★ - [t8](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/t8/) — Ollie: "Atomic clock? So it's never late for school, then." About how good are the best ones? — right ✓ · ★ - [t9](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/t9/) — Noah: "My phone knows the time and I never set it, lowkey creepy." ("Lowkey" means a bit.) How does it know? — right ✓ · ★ - [t10](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/t10/) — Nan: "We dialled 123 for the speaking clock, love." Mila: "The what?" What was it? — wrong ✗ · ★ - [t11](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/t11/) — What would happen if you took an ordinary pendulum clock onto a rolling ship? — wrong ✗ · ★ - [t12](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/t12/) — Grandad: "The pips! Six beeps, set your watch on the first one." Fix his mistake. — wrong ✗ · ★ - [e1](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/e1/) — Identify the property of the pendulum observed by Galileo. — wrong ✗ · exam - [e2](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/e2/) — Given that a navigator's clock indicates two o'clock in the afternoon, London time, at the moment of local noon, and that the Earth rotates fifteen degrees per hour, ascertain the position of the ship. — wrong ✗ · exam - [e3](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/e3/) — Select the response consistent with the established facts concerning the international conference of 1884. — wrong ✗ · exam - [e4](https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/e4/) — Which of the following statements most accurately characterises the means whereby a mobile telephone ascertains the time? — wrong ✗ · exam - ← previous: [122. Clocks before clocks: sundials, water clocks, ca…](https://md.mova.elamur.ai/free/en/corpora/questions/world/122-clocks-before-clocks/) - next →: [124. Decades, centuries and millennia](https://md.mova.elamur.ai/free/en/corpora/questions/world/124-decades-centuries-millennia/) - ↑ back to [World](https://md.mova.elamur.ai/free/en/corpora/questions/world/)