--- title: World — how Mova does at school description: The world course of Mova's primary school as its small model took the tests: 839 of 2019 right (41.6%), 164 lessons, each test with the student's choice, the right answer and why. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/school-run/world/) [home](https://md.mova.elamur.ai/free/en/) / [at school](https://md.mova.elamur.ai/free/en/school-run/) / World # World The world around us, science for the youngest: day and night, the seasons and the tilt of the Earth, the Moon and its phases, the solar system, the Sun and the stars, gravity, the shape of the Earth, eclipses, time and the calendar, solids, liquids and gases, weather, water and life on Earth. **Tests:** 839 of 2019 right (41.6%) · plain 319 of 769 · ★ 278 of 665 · ★★ 168 of 387 · ★★★ 74 of 198 · exam 251 of 656 · **Controls:** all red · **Run:** 2026-10-18, commit `f3c23ea72` **The controls**, each to be below the real 839 of 2019: no lesson 537 of 2019 — red; questions shuffled 632 of 2019 — red; key sentences removed 629 of 2019 — red. **The guessers:** the longest option 677 of 2019; the first option shown 537 of 2019. The lessons sentence by sentence: [the course in the corpora](https://md.mova.elamur.ai/free/en/corpora/school/world/). **1** [2](https://md.mova.elamur.ai/free/en/school-run/world/page/2/) - [1](https://md.mova.elamur.ai/free/en/school-run/world/1-day-and-night/) — Day and night — 6 of 13 right · exam 3 of 4 - [2](https://md.mova.elamur.ai/free/en/school-run/world/2-seasons-and-the-tilt/) — The seasons and the tilt of the axis — 6 of 13 right · exam 3 of 4 · ★ - [3](https://md.mova.elamur.ai/free/en/school-run/world/3-the-moon-and-its-phases/) — The Moon and its phases — 1 of 13 right · exam 1 of 4 · ★ - [4](https://md.mova.elamur.ai/free/en/school-run/world/4-the-solar-system/) — The solar system and the planets — 8 of 13 right · exam 0 of 4 - [5](https://md.mova.elamur.ai/free/en/school-run/world/5-the-sun-and-the-stars/) — The Sun as a star and the stars — 5 of 13 right · exam 1 of 4 - [6](https://md.mova.elamur.ai/free/en/school-run/world/6-gravity/) — Gravity — 5 of 13 right · exam 1 of 4 · ★ - [7](https://md.mova.elamur.ai/free/en/school-run/world/7-shape-and-size-of-the-earth/) — The shape and size of the Earth, the poles and the equator — 7 of 13 right · exam 1 of 4 - [8](https://md.mova.elamur.ai/free/en/school-run/world/8-eclipses/) — Eclipses — 5 of 13 right · exam 1 of 4 · ★★ - [9](https://md.mova.elamur.ai/free/en/school-run/world/9-time-zones-and-the-calendar/) — Time zones and the calendar — 3 of 13 right · exam 0 of 4 · ★★ - [10](https://md.mova.elamur.ai/free/en/school-run/world/10-reasoning-about-space/) — Thinking like an astronomer — 5 of 13 right · exam 2 of 4 · ★★★ - [11](https://md.mova.elamur.ai/free/en/school-run/world/11-solids-liquids-gases/) — Solids, liquids and gases — 8 of 13 right · exam 1 of 4 - [12](https://md.mova.elamur.ai/free/en/school-run/world/12-melting-freezing-boiling/) — Melting, freezing and boiling — 5 of 13 right · exam 2 of 4 - [13](https://md.mova.elamur.ai/free/en/school-run/world/13-evaporation-condensation/) — Evaporation and condensation — 8 of 13 right · exam 1 of 4 · ★ - [14](https://md.mova.elamur.ai/free/en/school-run/world/14-the-water-cycle/) — The water cycle — 5 of 13 right · exam 4 of 4 · ★ - [15](https://md.mova.elamur.ai/free/en/school-run/world/15-weather/) — Weather: pressure, wind, clouds and storms — 6 of 13 right · exam 2 of 4 - [16](https://md.mova.elamur.ai/free/en/school-run/world/16-climate-zones/) — Climate zones — 6 of 13 right · exam 2 of 4 - [17](https://md.mova.elamur.ai/free/en/school-run/world/17-air-oxygen-carbon-dioxide/) — Air and why we need it — 4 of 13 right · exam 0 of 4 · ★ - [18](https://md.mova.elamur.ai/free/en/school-run/world/18-materials-and-properties/) — Materials and their properties — 7 of 13 right · exam 2 of 4 · ★★ - [19](https://md.mova.elamur.ai/free/en/school-run/world/19-mixtures-and-separating/) — Mixtures and how to separate them — 3 of 13 right · exam 1 of 4 · ★★ - [20](https://md.mova.elamur.ai/free/en/school-run/world/20-reasoning-water-and-matter/) — Clever reasoning about water and matter — 6 of 13 right · exam 3 of 4 · ★★★ - [21](https://md.mova.elamur.ai/free/en/school-run/world/21-parts-of-a-plant/) — Parts of a plant and what each does — 7 of 13 right · exam 2 of 4 - [22](https://md.mova.elamur.ai/free/en/school-run/world/22-photosynthesis/) — How plants make their food — 9 of 13 right · exam 2 of 4 · ★ - [23](https://md.mova.elamur.ai/free/en/school-run/world/23-flowers-and-seeds/) — Flowers, pollination and how seeds travel — 5 of 13 right · exam 2 of 4 - [24](https://md.mova.elamur.ai/free/en/school-run/world/24-animal-groups/) — Groups of animals and how to tell them apart — 5 of 13 right · exam 3 of 4 - [25](https://md.mova.elamur.ai/free/en/school-run/world/25-life-cycles/) — Life cycles — 1 of 13 right · exam 1 of 4 - [26](https://md.mova.elamur.ai/free/en/school-run/world/26-food-chains-and-webs/) — Food chains and food webs — 5 of 13 right · exam 1 of 4 · ★ - [27](https://md.mova.elamur.ai/free/en/school-run/world/27-habitats-and-adaptations/) — Habitats and adaptations — 7 of 13 right · exam 3 of 4 · ★★ - [28](https://md.mova.elamur.ai/free/en/school-run/world/28-migration-and-hibernation/) — Migration and hibernation — 8 of 13 right · exam 3 of 4 · ★ - [29](https://md.mova.elamur.ai/free/en/school-run/world/29-classifying-unusual-animals/) — Classifying unusual animals — 8 of 14 right · exam 3 of 4 · ★★ - [30](https://md.mova.elamur.ai/free/en/school-run/world/30-balance-in-food-webs/) — Balance in a food web — 4 of 14 right · exam 1 of 4 · ★★★ - [31](https://md.mova.elamur.ai/free/en/school-run/world/31-skeleton-and-muscles/) — The skeleton and muscles — 8 of 13 right · exam 2 of 4 - [32](https://md.mova.elamur.ai/free/en/school-run/world/32-heart-blood-breathing/) — The heart, blood and breathing — 7 of 13 right · exam 1 of 4 · ★ - [33](https://md.mova.elamur.ai/free/en/school-run/world/33-digestion/) — Digestion: from mouth to intestines — 7 of 12 right · exam 2 of 4 - [34](https://md.mova.elamur.ai/free/en/school-run/world/34-brain-nerves-senses/) — The brain, nerves and the five senses — 3 of 13 right · exam 2 of 4 · ★ - [35](https://md.mova.elamur.ai/free/en/school-run/world/35-teeth-and-care/) — Teeth and their care — 5 of 12 right · exam 2 of 4 - [36](https://md.mova.elamur.ai/free/en/school-run/world/36-healthy-food/) — Healthy food, water and vitamins — 8 of 12 right · exam 0 of 4 - [37](https://md.mova.elamur.ai/free/en/school-run/world/37-germs-hygiene-vaccines/) — Germs, hygiene and vaccines — 9 of 13 right · exam 2 of 4 · ★ - [38](https://md.mova.elamur.ai/free/en/school-run/world/38-sleep-exercise-growing/) — Sleep, exercise and growing up — 3 of 13 right · exam 2 of 4 · ★★ - [39](https://md.mova.elamur.ai/free/en/school-run/world/39-first-aid-and-safety/) — First aid and safety — 8 of 14 right · exam 3 of 4 · ★★ - [40](https://md.mova.elamur.ai/free/en/school-run/world/40-body-and-physics-reasoning/) — Thinking like a scientist: the body and physics — 7 of 14 right · exam 3 of 4 · ★★★ - [41](https://md.mova.elamur.ai/free/en/school-run/world/41-maps-and-compass/) — Maps, plans and the compass — 6 of 13 right · exam 4 of 4 - [42](https://md.mova.elamur.ai/free/en/school-run/world/42-continents-and-oceans/) — Continents and oceans — 2 of 13 right · exam 2 of 4 - [43](https://md.mova.elamur.ai/free/en/school-run/world/43-landforms/) — Mountains, rivers and seas, and how the land is shaped — 8 of 13 right · exam 1 of 4 · ★ - [44](https://md.mova.elamur.ai/free/en/school-run/world/44-the-usa-and-its-states/) — The United States and its states — 3 of 13 right · exam 2 of 4 - [45](https://md.mova.elamur.ai/free/en/school-run/world/45-uk-ireland-canada-australia-nz/) — The UK, Ireland, Canada, Australia and New Zealand — 5 of 13 right · exam 2 of 4 · ★ - [46](https://md.mova.elamur.ai/free/en/school-run/world/46-countries-peoples-languages/) — Countries, peoples and languages of the world — 6 of 14 right · exam 1 of 4 - [47](https://md.mova.elamur.ai/free/en/school-run/world/47-natural-resources/) — Natural resources and why we must save them — 5 of 13 right · exam 3 of 4 · ★ - [48](https://md.mova.elamur.ai/free/en/school-run/world/48-time-and-history/) — Time and history: the timeline and how people lived long ago — 7 of 13 right · exam 0 of 4 · ★★ - [49](https://md.mova.elamur.ai/free/en/school-run/world/49-map-puzzles/) — Map reading puzzles — 8 of 13 right · exam 1 of 4 · ★★ - [50](https://md.mova.elamur.ai/free/en/school-run/world/50-why-the-earth-is-so/) — Thinking like a geographer: rivers, mountains and deserts — 5 of 13 right · exam 3 of 4 · ★★★ - [51](https://md.mova.elamur.ai/free/en/school-run/world/51-forces/) — Forces — pushes, pulls, friction and magnets — 6 of 13 right · exam 1 of 4 - [52](https://md.mova.elamur.ai/free/en/school-run/world/52-simple-machines/) — Simple machines and how they help — 8 of 12 right · exam 2 of 4 · ★ - [53](https://md.mova.elamur.ai/free/en/school-run/world/53-light/) — Light, shadows and colours — 6 of 12 right · exam 1 of 4 · ★ - [54](https://md.mova.elamur.ai/free/en/school-run/world/54-sound/) — Sound — vibrations, loudness, pitch and echoes — 5 of 12 right · exam 2 of 4 - [55](https://md.mova.elamur.ai/free/en/school-run/world/55-electricity/) — Electricity — circuits, switches and safety — 5 of 13 right · exam 1 of 4 · ★★ - [56](https://md.mova.elamur.ai/free/en/school-run/world/56-energy/) — Energy — where it comes from and how to save it — 7 of 12 right · exam 1 of 4 - [57](https://md.mova.elamur.ai/free/en/school-run/world/57-environment/) — Caring for the environment — 7 of 12 right · exam 3 of 4 - [58](https://md.mova.elamur.ai/free/en/school-run/world/58-people-and-society/) — People and society — communities, work, money and rules — 5 of 12 right · exam 0 of 4 · ★ - [59](https://md.mova.elamur.ai/free/en/school-run/world/59-inventions-computers-internet/) — Inventions, computers and the internet — 7 of 13 right · exam 3 of 4 · ★★ - [60](https://md.mova.elamur.ai/free/en/school-run/world/60-reasoning-energy-technology/) — Thinking it through — forces, heat, light and energy — 3 of 13 right · exam 1 of 4 · ★★★ - [61](https://md.mova.elamur.ai/free/en/school-run/world/61-rocks-minerals-fossils/) — Rocks, minerals and fossils — 7 of 13 right · exam 2 of 4 - [62](https://md.mova.elamur.ai/free/en/school-run/world/62-volcanoes-and-earthquakes/) — Volcanoes and earthquakes up close — 7 of 13 right · exam 0 of 4 · ★ - [63](https://md.mova.elamur.ai/free/en/school-run/world/63-soil-and-what-lives-in-it/) — Soil and what lives in it — 5 of 12 right · exam 2 of 4 - [64](https://md.mova.elamur.ai/free/en/school-run/world/64-rivers-lakes-and-the-sea/) — Rivers, lakes and the sea up close — 4 of 12 right · exam 2 of 4 - [65](https://md.mova.elamur.ai/free/en/school-run/world/65-glaciers-ice-ages-polar-lands/) — Glaciers, ice ages and polar lands — 11 of 13 right · exam 1 of 4 · ★★ - [66](https://md.mova.elamur.ai/free/en/school-run/world/66-deserts-rainforests-grasslands/) — Deserts, rainforests and grasslands — 5 of 13 right · exam 1 of 4 · ★ - [67](https://md.mova.elamur.ai/free/en/school-run/world/67-clouds-rain-snow-hail/) — Clouds, rain, snow and hail — 4 of 13 right · exam 2 of 4 · ★ - [68](https://md.mova.elamur.ai/free/en/school-run/world/68-storms-and-wild-winds/) — Storms: thunder, lightning, hurricanes and tornadoes — 7 of 13 right · exam 2 of 4 · ★ - [69](https://md.mova.elamur.ai/free/en/school-run/world/69-wind-and-the-atmosphere/) — Wind and the air around the Earth — 4 of 13 right · exam 0 of 4 - [70](https://md.mova.elamur.ai/free/en/school-run/world/70-the-night-sky/) — Stars, planets and constellations in the night sky — 9 of 13 right · exam 3 of 4 - [71](https://md.mova.elamur.ai/free/en/school-run/world/71-rockets-satellites-astronauts/) — Rockets, satellites and astronauts — 4 of 13 right · exam 2 of 4 · ★★ - [72](https://md.mova.elamur.ai/free/en/school-run/world/72-insects-and-spiders/) — Insects and spiders — 5 of 13 right · exam 3 of 4 - [73](https://md.mova.elamur.ai/free/en/school-run/world/73-birds-feathers-nests-flight/) — Birds: feathers, nests and flight — 10 of 13 right · exam 1 of 4 · ★ - [74](https://md.mova.elamur.ai/free/en/school-run/world/74-fish-frogs-reptiles/) — Fish, frogs and reptiles — 4 of 13 right · exam 3 of 4 · ★ - [75](https://md.mova.elamur.ai/free/en/school-run/world/75-mammals-and-their-young/) — Mammals and how they care for their young — 8 of 13 right · exam 1 of 4 - [76](https://md.mova.elamur.ai/free/en/school-run/world/76-trees-and-forests-through-the-year/) — Trees and forests through the year — 3 of 13 right · exam 3 of 4 - [77](https://md.mova.elamur.ai/free/en/school-run/world/77-fungi-bacteria-tiny-living-things/) — Fungi, bacteria and tiny living things — 8 of 13 right · exam 3 of 4 · ★ - [78](https://md.mova.elamur.ai/free/en/school-run/world/78-dinosaurs-and-life-long-ago/) — Dinosaurs and life long ago — 6 of 13 right · exam 0 of 4 · ★ - [79](https://md.mova.elamur.ai/free/en/school-run/world/79-senses-of-animals/) — Senses of animals: how they see, hear and smell — 8 of 13 right · exam 3 of 4 · ★★ - [80](https://md.mova.elamur.ai/free/en/school-run/world/80-farms-and-our-food/) — Farms and where our food comes from — 5 of 13 right · exam 3 of 4 · ★★ - [81](https://md.mova.elamur.ai/free/en/school-run/world/81-magnets/) — Magnets — 5 of 13 right · exam 2 of 4 · ★ - [82](https://md.mova.elamur.ai/free/en/school-run/world/82-heat-and-temperature/) — Heat and temperature: how things warm and cool — 3 of 13 right · exam 2 of 4 - [83](https://md.mova.elamur.ai/free/en/school-run/world/83-floating-and-sinking/) — Floating and sinking: the push of water — 4 of 13 right · exam 3 of 4 · ★ - [84](https://md.mova.elamur.ai/free/en/school-run/world/84-mirrors-shadows-colours/) — Mirrors, shadows and colours — 6 of 13 right · exam 2 of 4 - [85](https://md.mova.elamur.ai/free/en/school-run/world/85-pushes-pulls-friction-wheels/) — Pushes, pulls, friction and wheels — 6 of 13 right · exam 3 of 4 · ★ - [86](https://md.mova.elamur.ai/free/en/school-run/world/86-building-strong-things/) — Building strong things: bridges, towers and shapes — 7 of 13 right · exam 2 of 4 · ★★ - [87](https://md.mova.elamur.ai/free/en/school-run/world/87-electricity-at-home-and-safety/) — Electricity at home and staying safe — 9 of 13 right · exam 3 of 4 - [88](https://md.mova.elamur.ai/free/en/school-run/world/88-recycling-waste-plastic/) — Recycling, waste and plastic — 5 of 13 right · exam 1 of 4 · ★ - [89](https://md.mova.elamur.ai/free/en/school-run/world/89-saving-water-and-energy/) — Saving water and energy at home — 5 of 13 right · exam 1 of 4 · ★ - [90](https://md.mova.elamur.ai/free/en/school-run/world/90-measuring-the-world/) — Measuring the world — length, mass, time and temperature — 8 of 13 right · exam 1 of 4 - [91](https://md.mova.elamur.ai/free/en/school-run/world/91-being-a-scientist/) — Being a scientist — fair tests, guesses and evidence — 7 of 13 right · exam 4 of 4 · ★★★ - [92](https://md.mova.elamur.ai/free/en/school-run/world/92-human-life-cycle/) — The human life cycle and growing up — 6 of 13 right · exam 1 of 4 - [93](https://md.mova.elamur.ai/free/en/school-run/world/93-lungs-air-keeping-fit/) — Lungs, air and keeping fit — 5 of 13 right · exam 4 of 4 · ★ - [94](https://md.mova.elamur.ai/free/en/school-run/world/94-medicines-doctors-hospitals/) — Medicines, doctors and hospitals — 6 of 13 right · exam 1 of 4 - [95](https://md.mova.elamur.ai/free/en/school-run/world/95-money-shops-work-town/) — Money, shops and work in a town — 4 of 13 right · exam 2 of 4 · ★★ - [96](https://md.mova.elamur.ai/free/en/school-run/world/96-laws-voting-government/) — Laws, voting and how a country is run — 8 of 13 right · exam 2 of 4 · ★ - [97](https://md.mova.elamur.ai/free/en/school-run/world/97-festivals-holidays-traditions/) — Festivals, holidays and traditions in the English-speaking world — 2 of 13 right · exam 3 of 4 - [98](https://md.mova.elamur.ai/free/en/school-run/world/98-explorers-mapping-the-world/) — Explorers and how the world was mapped — 6 of 13 right · exam 2 of 4 · ★★ - [99](https://md.mova.elamur.ai/free/en/school-run/world/99-transport-horses-to-planes/) — Transport: from horses to planes — 4 of 13 right · exam 3 of 4 · ★ - [100](https://md.mova.elamur.ai/free/en/school-run/world/100-communication-letters-to-internet/) — Communication: letters, phones, radio and the internet — 6 of 14 right · exam 1 of 4 · ★★★ **1** [2](https://md.mova.elamur.ai/free/en/school-run/world/page/2/) - ← previous: [Ukrainian street](https://md.mova.elamur.ai/free/en/school-run/ukrainian-street/) - ↑ back to [at school](https://md.mova.elamur.ai/free/en/school-run/)