Learn anything you’ll meet in high school
1000 topics across 10 subjects — every one with its own page, a live animation to play with, and a quick quiz.
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Choose a subject
Each subject is a full course. Your progress is saved privately in this browser.
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Mathematics
From counting to calculus — numbers, algebra, geometry, trigonometry, calculus and statistics.200 topics⚛️Physics
Motion, forces, energy, waves, light, electricity and the modern physics that explains the universe.150 topics🧪Chemistry
Atoms, bonds, reactions and the chemistry of everyday life, from the periodic table to organic molecules.150 topics🧬Biology
Cells, genes, evolution, the human body and the ecosystems that sustain life on Earth.150 topics🌍Earth & Space
Our planet and the universe: plate tectonics, weather, oceans, the solar system, stars and galaxies.60 topics💻Computer Science
How computers think: binary, programming, algorithms, data structures, the web and staying safe online.80 topics🏛️World History
From the first farmers to the digital age — the people, ideas and events that shaped our world.80 topics🗺️Geography
Maps, landforms, climate zones, populations, cities and the connections between people and places.40 topics📚English
Grammar, writing, reading and literature — the skills for clear thinking and strong communication.60 topics💰Economics & Money
Scarcity, markets, money, business and personal finance — how people make choices with limited resources.30 topicsHow it works
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Play with it
Every topic opens with a live canvas animation — drag, slide and click to see the idea move.
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Learn the key ideas
Short, focused points that highlight in step with the animation.
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Check yourself
A quick quiz with instant feedback. Mark topics learned and track your progress.
Jump right in
A taste from every subject.
📐 Natural Numbers and IntegersMathematics⚛️ Scalars and VectorsPhysics🧪 What Is Matter?Chemistry🧬 Characteristics of Living ThingsBiology🌍 The Solar SystemEarth & Space💻 What Is a Computer?Computer Science🏛️ Early Humans and the Stone AgeWorld History🗺️ Latitude and LongitudeGeography📚 NounsEnglish💰 Scarcity and ChoiceEconomics & Money