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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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Could there be another explanation?

Science · Scientific Inquiry · meta

For any result, ask: is there another explanation? — the first explanation that fits isn't always the right one, and good scientists actively look for alternatives

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What mastery looks like

  • prompts to consider alternative possible worlds research (6-7 year olds)
  • scientific thinking promotes critical thinking (MDPI 2025)

Check your understanding

When Could there be another explanation? comes up with an explanation for something they observed, do they try to think of at least one other possible explanation before deciding they've found the answer?

Prerequisites

Required first

Helpful

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