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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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Judgement of the Dead

History · Ancient Egypt · conceptual

Describe the Egyptian belief in the judgement of the dead: after death, the heart was weighed against the feather of Ma'at in the Hall of Judgement, with Anubis overseeing the scales and Thoth recording the result — a pure heart meant entry to the Field of Reeds (paradise), while a heavy heart was devoured by the monster Ammit, and know that the Book of the Dead contained spells to help the deceased pass this test

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What mastery looks like

  • Describe the weighing of the heart ceremony and name the gods involved
  • Explain the role of the Book of the Dead as a guide through the underworld
  • Connect the concept of the ka (life force) and ba (personality) to why Egyptians preserved the body

Check your understanding

If Judgement of the Dead sees a painting of a heart being weighed on scales, can they explain what the Egyptians believed happened after death and why they thought it was so important to live a good life?

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