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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 solar system (age 11+)

Science · Space Systems & Earth's History · conceptual

Describe the detailed structure of the solar system, including moons, asteroids, and comets, compare orbital periods and distances of the planets, and distinguish between planets, dwarf planets, and other bodies

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What mastery looks like

  • Names the eight planets in order and gives one distinguishing fact about each
  • Describes the difference between a planet, a dwarf planet, an asteroid, and a comet
  • Explains the relationship between distance from the Sun and orbital period (planets further out take longer)

Check your understanding

If The solar system (age 11+) was making a model of the solar system, could they describe the difference between a planet, a moon, an asteroid, and a comet — and explain why planets closest to the Sun take less time to complete an orbit?

Prerequisites

Required first

Unlocks (1 directly)