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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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What uses electricity at home

Science · Energy · conceptual

Identify common appliances that run on electricity and understand that electricity is a form of energy that powers devices in everyday life

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What mastery looks like

  • Name at least ten common appliances that run on electricity
  • Distinguish between mains-powered and battery-powered appliances
  • Explain that electricity provides the energy that makes these devices work

Check your understanding

Can What uses electricity at home walk around the house and point out which things use electricity to work, like the fridge, TV, and lights?

Prerequisites

None — this is a foundational concept.

Unlocks (1 directly)