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.
The questions of the world course of Mova's primary school: 164 lessons, 2675 questions, every question and option parsed by Mova with its syntax tree and pragmatics. How the student did on them: the course at school .
1 Day and night 17 questions · If the Earth stopped spinning, what would happen to day and night? 2 The seasons and the tilt of the axis 17 questions · If the Earth's axis were not tilted at all, what would happen? 3 The Moon and its phases 17 questions · Tom stands in a dark room with a lamp and holds a ball at arm's length, turning slowly around. What does he… 4 The solar system and the planets 17 questions · A rocket leaves the Earth and flies outward. Which planet could it pass first? 5 The Sun as a star and the stars 17 questions · A boy says the stars are tiny lights much smaller than the Sun. What is true? 6 Gravity 17 questions · A child in Australia drops a ball. Which way does it fall? 7 The shape and size of the Earth, the poles and the equator 17 questions · A traveller flies east and keeps going without turning. What happens? 8 Eclipses 17 questions · Kai holds a ball between a lamp and a globe. What is he showing? 9 Time zones and the calendar 17 questions · It is 12 noon in London. Which is most likely true? 10 Thinking like an astronomer 17 questions · If the Moon did not turn on its axis at all, what would we see from the Earth over a month? 11 Solids, liquids and gases 17 questions · You blow up a balloon. What is inside it that makes it fat? 12 Melting, freezing and boiling 17 questions · Red-hot lava cools and becomes rock. What change of state is this? 13 Evaporation and condensation 17 questions · Two equal saucers of water are left out: one on a warm sunny windowsill, one in a cool cupboard. What happens? 14 The water cycle 17 questions · A raindrop falls into a river. What could happen to it next? 15 Weather: pressure, wind, clouds and storms 17 questions · You see a flash and count six seconds before the thunder. About how far away was the lightning? 16 Climate zones 17 questions · A traveller goes from the equator to the North Pole. What does she find on the way? 17 Air and why we need it 17 questions · If all green plants disappeared, what would slowly happen to the air? 18 Materials and their properties 17 questions · A cook leaves a metal spoon and a plastic spoon in a pot of hot stew. Which handle gets hot? 19 Mixtures and how to separate them 17 questions · Gold-seekers swirl river gravel in a pan of water. The heavy gold stays in the pan and the lighter sand wash… 20 Clever reasoning about water and matter 17 questions · A sealed plastic bottle filled to the top with water is put in the freezer. What happens? 21 Parts of a plant and what each does 17 questions · A carnation stands in water coloured with blue ink, and next day its petals are blue. What does this show? 22 How plants make their food 17 questions · A plant is kept in a dark cupboard for two weeks. Why does it turn pale and weak? 23 Flowers, pollination and how seeds travel 17 questions · A farmer's apple trees give almost no fruit one year when there are very few bees. Why? 24 Groups of animals and how to tell them apart 17 questions · A strange animal has feathers but cannot fly. Which group is it in? 25 Life cycles 17 questions · A child finds jelly with black dots in a pond in spring. What will the dots become first? 26 Food chains and food webs 17 questions · In a pond, algae → tadpoles → small fish → heron. Which is the producer? 27 Habitats and adaptations 17 questions · An animal has white fur, small ears, thick fat and wide furry feet. Where does it most likely live? 28 Migration and hibernation 17 questions · A storks' nest on a roof stands empty all winter and the storks return in April. What did the storks do? 29 Classifying unusual animals 18 questions · A new animal is found in a cave: it flies, has fur and feeds its young milk. What is it? 30 Balance in a food web 18 questions · An island has grass, rabbits and foxes. A disease kills most of the rabbits. What happens to the grass and t… 31 The skeleton and muscles 17 questions · You straighten your arm to reach a book on a shelf. Which muscle is pulling? 32 The heart, blood and breathing 17 questions · A boy holds his breath. Why can he not do it for long? 33 Digestion: from mouth to intestines 16 questions · An astronaut eats in space where there is almost no up or down. Can the food still reach the stomach? 34 The brain, nerves and the five senses 17 questions · A friend says "bitter is tasted only at the back of the tongue". What is right? 35 Teeth and their care 16 questions · A boy sips a sweet fizzy drink all afternoon. Why is this bad for his teeth? 36 Healthy food, water and vitamins 16 questions · A runner wants energy for a long race. Which meal helps most the evening before? 37 Germs, hygiene and vaccines 17 questions · Sam has a cold and asks for antibiotics. What should the doctor say? 38 Sleep, exercise and growing up 17 questions · Mia stayed up late playing games and slept only 6 hours before a test. What is most likely? 39 First aid and safety 18 questions · Your little brother touches a hot iron and burns his finger. What do you do first? 40 Thinking like a scientist: the body and physics 18 questions · A boy in Toronto sees lightning and counts 9 seconds until the thunder. About how far away is the storm? 41 Maps, plans and the compass 17 questions · Dana draws her bedroom as if she were a fly on the ceiling. What has she drawn? 42 Continents and oceans 17 questions · If you could look at the Earth from space, what would you see most of? 43 Mountains, rivers and seas, and how the land is shaped 17 questions · Climbers find shells of sea animals in rocks near the top of a high mountain. How can that be? 44 The United States and its states 17 questions · A girl in Texas flies to the capital of her country. Where does she land? 45 The UK, Ireland, Canada, Australia and New Zealand 17 questions · A boy in Melbourne and his cousin in London both look out of the window in January. What do they see? 46 Countries, peoples and languages of the world 18 questions · A girl in Montreal, Quebec, chats with her neighbours in a language that is not English. Which language is i… 47 Natural resources and why we must save them 17 questions · A town gets all its electricity from a wind farm and solar panels. Why can it go on doing so for ever? 48 Time and history: the timeline and how people lived long ago 17 questions · Grandma was born in 1955 and her granddaughter in 2015. In which centuries were they born? 49 Map reading puzzles 17 questions · Sam walks north out of his door, turns right at the corner and then turns right again. Which way is he walki… 50 Thinking like a geographer: rivers, mountains and deserts 17 questions · Lake A has rivers flowing in but none flowing out, and it is in a hot dry land. Lake B has a river flowing o… 51 Forces pushes, pulls, friction and magnets — 17 questions · A cyclist stops pedalling on a flat road. Why does the bicycle slowly stop? 52 Simple machines and how they help 16 questions · A girl and her much heavier father sit on a see-saw. How can they balance? 53 Light, shadows and colours 16 questions · A child stands in the sunshine. Where does the shadow fall? 54 Sound vibrations, loudness, pitch and echoes — 16 questions · You press your ear to a long wooden table while a friend taps the far end. What do you notice? 55 Electricity circuits, switches and safety — 17 questions · Tom builds a circuit with a battery, a bulb and wires, but uses a pencil's wooden body to join two wires. Th… 56 Energy where it comes from and how to save it — 16 questions · A town builds a dam on a river to make electricity. What kind of energy source is it using? 57 Caring for the environment 16 questions · A family starts buying loose fruit instead of fruit packed in plastic trays. Which of the three Rs is this? 58 People and society communities, work, money and rules — 16 questions · A fisherman swaps three fish for a farmer's basket of apples. What is this called? 59 Inventions, computers and the internet 17 questions · A video from a friend in another country arrives on your tablet. What really happened? 60 Thinking it through forces, heat, light and energy — 17 questions · A cook leaves a metal spoon and a plastic spoon in a pot of hot soup for five minutes. Which handle is safe… 61 Rocks, minerals and fossils 17 questions · A cliff shows many flat layers of rock, and the layer at the bottom holds fossils of fish. Which is most lik… 62 Volcanoes and earthquakes up close 17 questions · Japan, Indonesia and Chile all have many earthquakes. What do they share? 63 Soil and what lives in it 16 questions · A gardener pours a jug of water on two pots. The water runs out of one pot almost at once but stays on top o… 64 Rivers, lakes and the sea up close 16 questions · A town is built on the flat land right beside a big slow river. What danger should it plan for? 65 Glaciers, ice ages and polar lands 17 questions · Walking in Scotland, you find a wide valley with a flat floor and steep sides like the letter U, but no ice.… 66 Deserts, rainforests and grasslands 17 questions · A traveller packs only shorts and T-shirts for a week of camping in the Sahara. What problem might he have? 67 Clouds, rain, snow and hail 17 questions · On a hot summer afternoon, a huge cloud grows tall like a tower and dark below. What should you expect? 68 Storms: thunder, lightning, hurricanes and tornadoes 17 questions · The wind around a hurricane suddenly drops and the Sun comes out. Why should people stay indoors? 69 Wind and the air around the Earth 17 questions · A climber goes up a very high mountain. Which is true near the top? 70 Stars, planets and constellations in the night sky 17 questions · You take a long-exposure photo (the camera stays open for hours) of the northern sky. The stars make circles… 71 Rockets, satellites and astronauts 17 questions · A balloon is blown up and let go, and it shoots across the room. How is this like a rocket? 72 Insects and spiders 17 questions · A child finds an empty, insect-shaped skin on a tree trunk. What most likely happened? 73 Birds: feathers, nests and flight 17 questions · A duck dives under the water and comes up with dry feathers underneath. Why? 74 Fish, frogs and reptiles 17 questions · A fish stays still in the middle of a tank, neither sinking nor rising. What helps it do this? 75 Mammals and how they care for their young 17 questions · A farmer finds a newborn calf. What will it need to drink in its first days? 76 Trees and forests through the year 17 questions · A stump has 35 rings. About how old was the tree? 77 Fungi, bacteria and tiny living things 17 questions · Why does keeping bread in the freezer stop mould? 78 Dinosaurs and life long ago 17 questions · A film shows cave people running from a Tyrannosaurus. What is wrong with it? 79 Senses of animals: how they see, hear and smell 17 questions · A deer and a wolf meet in a forest. Which one can see more of the forest around it without turning its head? 80 Farms and where our food comes from 17 questions · A cheese sandwich is on your plate. Which farms helped to make it? 81 Magnets 17 questions · You have a mix of steel pins and sand. How could you separate them? 82 Heat and temperature: how things warm and cool 17 questions · You hold an ice cube in your hand. What really happens? 83 Floating and sinking: the push of water 17 questions · An egg sinks in a glass of tap water. You stir in lots of salt and the egg rises. Why? 84 Mirrors, shadows and colours 17 questions · You want to shine a torch beam onto a toy hidden around a corner. What can help? 85 Pushes, pulls, friction and wheels 17 questions · A car moves along a straight road at a steady speed. Which is true? 86 Building strong things: bridges, towers and shapes 17 questions · You build a tower from spaghetti and marshmallows. It keeps leaning over. What will help most? 87 Electricity at home and staying safe 17 questions · A house is far from a power station. Which is the right order of the electricity's journey? 88 Recycling, waste and plastic 17 questions · A class collects cans. The teacher holds a magnet near each can, and some stick. What does this show? 89 Saving water and energy at home 17 questions · A family takes baths every day and then switches to short showers. What two things do they save? 90 Measuring the world length, mass, time and temperature — 17 questions · An astronaut with a mass of 60 kilograms goes to the Moon. What is his mass there? 91 Being a scientist fair tests, guesses and evidence — 17 questions · Lily tests two paper planes, but one is bigger and she throws it harder. Why is this not a fair test? 92 The human life cycle and growing up 17 questions · Max is 11 and his friend is the same age but much taller. What does this most likely show? 93 Lungs, air and keeping fit 17 questions · Two children run the same race. One's pulse is back to normal in 2 minutes, the other's in 10 minutes. Which… 94 Medicines, doctors and hospitals 17 questions · Leo has a cold and asks for antibiotics. Why will the doctor probably say no? 95 Money, shops and work in a town 17 questions · A hot summer makes many people buy fans, and the shops run low. What will probably happen to the price of fa… 96 Laws, voting and how a country is run 17 questions · Your class votes for a class captain: Mia gets 12 votes, Sam 9 and Leo 7. Who wins under the usual rule? 97 Festivals, holidays and traditions in the English-speaking world 17 questions · Ben's family in Melbourne eats Christmas lunch outside at the beach. Why is this normal there? 98 Explorers and how the world was mapped 17 questions · A sailor measures the Pole Star higher and higher in the sky each night. Which way is the ship sailing? 99 Transport: from horses to planes 17 questions · A farmer must send 20 tonnes of grain to another continent and is in no hurry. Which transport is best? 100 Communication: letters, phones, radio and the internet 18 questions · In 1850 a merchant in London wants a reply from a friend in Sydney. 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