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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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Polar Bears

Science · Polar Regions · conceptual

Know key facts about polar bears — they live only in the Arctic (not the Antarctic), they have thick white fur and a layer of fat (blubber) to keep warm, they are excellent swimmers, and they hunt seals by waiting at holes in the sea ice

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What mastery looks like

  • State that polar bears live in the Arctic, not the Antarctic
  • Describe at least two ways polar bears stay warm: thick white fur and a layer of blubber (fat)
  • Explain how polar bears hunt seals by waiting at breathing holes in the sea ice

Check your understanding

Can Polar Bears tell you about polar bears — that they live only in the Arctic, their thick fur and blubber keep them warm, and they hunt seals by waiting patiently at holes in the ice?

Prerequisites

Required first

Unlocks (1 directly)