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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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The Vikings

History · Medieval Times · conceptual

Who the Vikings were: seafaring warriors and traders from Scandinavia; longships; Viking raids on Britain; that Vikings also settled and farmed

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What mastery looks like

  • Describe who the Vikings were and where they came from
  • Explain what made longships special (fast, could sail in shallow water, dragon prows)
  • State that Vikings were not just raiders but also farmers, traders, and settlers

Check your understanding

Could The Vikings tell you who the Vikings were, where they came from, and that they did more than just raid and fight?

Prerequisites

None — this is a foundational concept.

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