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Education Concept Tracker

A prerequisite knowledge graph of 1590 learning concepts across 8subjects. Track what you've mastered and see exactly what you're ready to learn next — the topics whose prerequisites you've already met. Built on the Marble Open Skill Taxonomy.

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Knowledge-graph map

Computing
Mastered Ready to learn LockedHover a node for its description · click to open
Computers in Everyday L…Computers in Everyday Life — frontier Identifying computers in everyday life — not just laptops but phones, tablets, smart speakers, traffic lights, washing machines; what makes something a computerReal-World RobotsReal-World Robots — locked What a robot really is — not the sci-fi version; robots in factories, robot vacuum cleaners, robot arms in surgery; that robots follow instructions given by peopleSmart Versus Not-Smart…Smart Versus Not-Smart Devices — locked Sorting objects into 'smart' (can sense and respond) and 'not smart' (just sits there); a toaster vs a smart speaker; introduction to the idea that some machines can sense and respond to the worldStep-by-Step Instructio…Step-by-Step Instructions — locked Step-by-step instructions for everyday tasks (making a sandwich, brushing teeth); that if instructions are wrong or missing, things go wrong; computers follow instructions exactly
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Immunity & Vaccines

Science · The Human Body · conceptual

Distinguish innate (non-specific, immediate) from adaptive (specific, memory-forming) immunity; explain how B cells produce antibodies that recognise specific antigens, how T cells destroy infected cells, and why immunological memory makes vaccines work; and describe the gut microbiome as a community of trillions of microbes that significantly influences immune function

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What mastery looks like

  • Distinguishes innate immunity (rapid, non-specific barriers and inflammation) from adaptive immunity (slow, specific, memory-forming)
  • Explains how B cells produce antibodies that bind to specific antigens on pathogens, targeting them for destruction
  • Explains immunological memory: after first exposure, memory B and T cells remain, making subsequent response faster and stronger — the basis of vaccine protection

Check your understanding

If Immunity & Vaccines was asked why they don't get chickenpox twice, could they explain the difference between just fighting off a germ and actually 'remembering' it — and describe how a vaccine trains the immune system without causing the disease?

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