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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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Roman Republic and Empire

History · Ancient Greece & Rome · conceptual

Explain how Rome was first governed as a republic — with elected consuls, a powerful Senate, and a distinction between patricians and plebeians — before becoming an empire ruled by emperors like Augustus (who brought peace, the Pax Romana) and Nero, and compare republican government with Athenian direct democracy

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What mastery looks like

  • Describe the Roman Republic's structure: consuls, Senate, patricians, and plebeians
  • Explain how Rome changed from a republic to an empire under Augustus
  • Compare Athenian direct democracy (citizens vote on decisions) with Roman republican government (citizens elect representatives)

Check your understanding

Could Roman Republic and Empire explain the difference between the Roman Republic and the Roman Empire, and compare how Rome and Athens each let people have a say in government?

Prerequisites

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