---
title: Saving water and energy at home — the lesson's questions with trees and pragmatics · World
description: The 17 test and exam questions of lesson 89 «Saving water and energy at home» 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.
---

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# Saving water and energy at home

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The 17 questions of lesson 89 «Saving water and energy at home» of the world course of Mova's primary school with their options, 92 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/89-saving-water-and-energy/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t1/) — A family takes baths every day and then switches to short showers. What two things do they save? — wrong ✗ · ★
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t2/) — Which is true? — wrong ✗ · ★
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t3/) — Two identical houses are heated equally. One has a thick insulated roof. What happens on a cold night? — wrong ✗ · ★
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t4/) — Tom leaves his game console on standby all year. What happens? — right ✓ · ★
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t5/) — A country has a long dry summer. Why is wasting water a bigger problem then? — wrong ✗ · ★
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t6/) — Which change in a school would save the most energy in a cold country? — wrong ✗ · ★
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t7/) — Mia says, "Water is free because it falls from the sky." What is she missing? — wrong ✗ · ★
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t8/) — Why can wasting a meal also waste water? — right ✓ · ★
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t9/) — A school replaces 100 old bulbs with LED bulbs. What happens? — wrong ✗ · ★
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t10/) — shower or bath, which saves more water — wrong ✗ · ★
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t11/) — telly's off but the little light's still on, is it using power — right ✓ · ★
- [t12](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t12/) — Ava says saving water has nothing to do with saving energy. true? — right ✓ · ★
- [t13](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t13/) — my cousin reckons a dripping tap only wastes a few drops. right? — right ✓ · ★
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/e1/) — Which of the following statements most accurately characterises the reason for which saving hot water saves the most energy? — right ✓ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/e2/) — Identify the bulb which gives equal light with far less electricity. — wrong ✗ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/e3/) — Select the response that is consistent with the established facts concerning devices left on standby. — wrong ✗ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/e4/) — Ascertain the function of insulation in the roof and walls of a house. — wrong ✗ · exam

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