Primary School · 30 classes

Science

Each class is a short, friendly animated story with narration and pictures, plus playful quick checks and a no-pressure quiz with stars. Progress saves automatically.

Start Class 1 →See all classesExplore the labs ↓
Class 1 is included with a free Curious account. Sign in to save your progress.
A short introduction

Ask big questions about our world

Follow curiosity from tiny details to the wonders of nature and space.

Ask big questions about our world

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Not startedStartedCompletedMastered
Play and discover

Try it yourself

Labs in Science

More things to try
Class 18 Magnets

The Invisible Field

Scatter compass needles around a magnet to reveal the invisible field — then feel like poles push apart and opposite poles pull together.

Let’s try →Find it in your lesson
Class 13 The Moon

The Moon Lantern — Why the Moon Changes Shape

Grab the Moon and drag it around Earth — the telescope shows what it really looks like from home.

Let’s try →Find it in your lesson
Class 10 Food Chains

The Pond Ledger

Scoop the herons out of a living pond and watch the minnows boom, then crash their own food supply — every link holds the chain up.

Let’s try →Find it in your lesson
Class 22 The Water Cycle

The Rain Maker — A World in a Jar

Drag the Sun up to boil the lake into clouds, then find the sweet spot where the rain keeps up with the steam.

Let’s try →Find it in your lesson
See inside a class

Here’s all of Class 1, in full.

Every class is 13 cards · narrated film + illustration · 2 quick checks · an interactive · a 4-question mastery quiz. Nothing hidden — this is the complete text of How Does the World Work?.

▸ Read the full class — How Does the World Work?

Have you ever watched a caterpillar and wondered how it becomes a butterfly? Or asked why the sky is blue? Congratulations — you are already thinking like a scientist! Scientists are just curious people who love asking questions and finding answers. That is exactly what we are going to do today!

1. Why Science Matters

Science helps us understand the world, stay healthy, build things, and protect nature.

  • Science invented medicines that save lives
  • Science helps us grow food for everyone
  • Science built planes, phones, and computers
  • Science helps us protect animals and nature

2. What Is Science?

Science is the study of the world by asking questions, observing, and doing experiments.

  • Biology — plants, animals, and living things
  • Earth Science — weather, rocks, and seasons
  • Physics — forces, light, and movement
  • Chemistry — what things are made of

3. Famous Scientists Who Changed the World

Curious scientists throughout history made discoveries that changed everything.

  • Galileo looked at the sky and discovered moons around Jupiter
  • Isaac Newton wondered why apples fall and found gravity
  • Marie Curie discovered radioactivity and won two Nobel Prizes
  • Charles Darwin studied animals and explained how life evolves
  • Today: scientists explore space, oceans, and tiny cells!

4. How Scientists Find Answers

Scientists follow a special plan called the Scientific Method to find out if their ideas are right.

  • Ask a question — what do you want to know?
  • Make a prediction — what do you think will happen?
  • Do an experiment — test your idea
  • Observe — watch carefully and write down what happens
  • Conclude — was your prediction right?

5. Science Principles

Good scientists follow these important ideas every time they explore.

  • Be curious — ask lots of questions
  • Observe carefully — use all your senses
  • Be honest — report what you actually see
  • Try again — one experiment is never enough
  • Share what you learn!

6. Science Tools

Scientists use special tools to observe and measure the world more accurately.

  • Magnifying glass — see tiny things up close
  • Ruler and measuring tape — measure length
  • Thermometer — measure temperature
  • Notebook — record observations
  • Microscope — see things invisible to the eye

7. Science in the World Around You

Science is happening all around you every single day!

  • Plants growing toward sunlight
  • Rain falling and puddles forming
  • Ice melting on a warm day
  • Butterflies starting as caterpillars
  • Rainbows after a rain shower

8. Plants vs. Animals

Plants and animals are both living things — but they live and grow in very different ways!

9. Solids, Liquids, and Gases

Everything in the world is made of matter, and matter comes in three main forms!

10. Science Mistakes to Avoid

Good scientists watch out for these common mistakes when exploring.

  • Only doing the experiment once — try it at least three times
  • Seeing what you want to see instead of what is really there
  • Not measuring carefully — guessing instead
  • Forgetting to write down what you observe

11. Exploring Science Every Day

You can be a scientist every day with a few simple habits.

  • Keep a nature journal — draw what you find outside
  • Ask "why" and "how" about things you see
  • Try simple experiments at home with water and ice
  • Watch documentaries about animals and nature
  • Visit a science museum or nature reserve

12. Your First Experiment!

Test if a plant really does grow toward light — set up your own experiment!

  • Find a small plant or grow a bean in a cup
  • Place it near a window with light on one side
  • Observe it every day for one week
  • Draw pictures of what you see
  • Ask: which way did the plant lean?

13. What We Learned

Science is the art of asking questions and finding answers — and you are already a scientist!

  • Science helps us understand living things, weather, and matter
  • Scientists use the Scientific Method to test ideas
  • Plants make food from sunlight; animals eat for energy
  • Matter comes as solids, liquids, and gases
  • Stay curious and observe the world every day!

Mastery quiz

  1. What is science?
    • Learning by watching and testing
    • Just lucky guessing
    • A kind of dessert
    • Going to sleep early
  2. A rock keeps its shape. What is it?
    • A solid
    • A liquid
    • A gas
    • The sun
  3. Which tool helps you see tiny insects up close?
    • A magnifying glass
    • A pillow
    • A spoon
    • A shoe
  4. What does a plant do when light comes from one side?
    • Leans toward the light
    • Runs away fast
    • Turns blue
    • Falls asleep