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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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Controlling variables (age 11+)

Science · Scientific Inquiry · meta

Form a testable scientific hypothesis linking an independent variable to a predicted outcome, plan a full investigation identifying independent, dependent, and control variables, sample size, and risk assessment

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What mastery looks like

  • Writes a hypothesis in the form 'I predict that [IV] will affect [DV] because...' supported by scientific reasoning
  • Identifies and labels the independent variable, dependent variable, and at least three control variables
  • Plans repeat readings and an appropriate sample size, and identifies relevant hazards with control measures

Check your understanding

If Controlling variables (age 11+) wanted to investigate whether temperature affects how quickly sugar dissolves, could they write a clear prediction, state exactly what they would change and measure, list three things to keep the same, and identify any safety steps?

Prerequisites

Required first

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