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1000 topics. One place to learn.
Maths, science, geography, history, English, computing and more, each topic with its own interactive animation.
Explore subjects →LearnViz SecondaryEdu: interactive secondary school learning
Learn by playing
Drag sliders. Watch ideas move.
Bend a parabola, swing a pendulum, split a cell. Concepts click when you can touch them.
Try Mathematics →Science labs
Atoms, forces, ecosystems and more.
Run virtual experiments in physics, chemistry and biology without leaving your browser.
Open the labs →Test yourself
Quick quizzes on every topic.
Three questions per topic with instant feedback. Finish them all to track your mastery.
Pick a topic →Your progress
Track what you have completed.
Your progress is saved privately in your browser, so you can pick up right where you left off.
See progress →1000Interactive topics
10Subjects
3000Quiz questions
0Topics you completed
Choose a subject
Every topic has its own page with an animation, key points and a quiz.
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Mathematics
Numbers, algebra, geometry, trigonometry and statistics from first principles to exam level.
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Physics
Forces, energy, waves, electricity, magnetism, light and space explained through motion and experiments.
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Chemistry
Atoms, bonding, reactions, the periodic table, organic chemistry and the chemistry of everyday life.
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Biology
Cells, the human body, genetics, evolution, plants and ecosystems: the science of living things.
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Geography
Maps, landforms, weather, climate, population and settlements: understand how our planet and people connect.
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History
Ancient civilisations, empires, revolutions, world wars and the making of the modern world.
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English
Grammar, vocabulary, reading, writing, poetry, drama and the skills for clear communication.
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Computer Science
Algorithms, programming, data, networks, hardware and safe, responsible use of technology.
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Economics & Civics
Money, markets, business, government, law and citizenship: how societies are organised and run.
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Earth & Environmental Science
Our planet, its resources and ecosystems, and how people can protect the environment.
Topic of the day
Natural Numbers and IntegersHow it works
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See it
An animation for each topic shows the idea in motion.
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Play with it
Sliders and buttons let you change the numbers and see what happens.
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Learn it
A clear definition and key points, written for secondary school.
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Prove it
A short quiz checks your understanding and records your progress.
About LearnViz SecondaryEdu
LearnViz SecondaryEdu is a free, interactive learning site for secondary school students. It covers 1000 topics across 10 subjects: mathematics, physics, chemistry, biology, geography, history, english, computer science, economics & civics, earth & environmental science.
Every topic page explains the idea in plain language, shows it in an interactive animation you can control, lists the key points, gives real-life uses and common mistakes, and finishes with a short quiz. Topics work on phones, tablets and computers.
Popular topics to start with
A spread of topics from across every subject.
Frequently asked questions
What is LearnViz SecondaryEdu?
LearnViz SecondaryEdu is a free library of 1000 interactive topics for secondary school students, across 10 subjects. Each topic has a definition, key points, an animation and a quiz.
Which subjects are covered?
Mathematics, Physics, Chemistry, Biology, Geography, History, English, Computer Science, Economics & Civics, Earth & Environmental Science.
How do the interactive animations work?
Each topic has an animation you control with sliders and buttons. Change a value, watch the result and check your prediction. The animations run in your browser.
Does it follow my exam board syllabus?
The content is written for secondary school level but is not affiliated with any exam board or school. Always check your own curriculum and your teacher’s guidance.
Is my progress shared with anyone?
No. Completed topics and your theme choice are stored only in your browser’s local storage and are not sent to a server.