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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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Chromosomes, Genes & DNA

Science · Ecosystems & Habitats · conceptual

Describe the relationship between chromosomes, genes, and DNA in heredity, including the double helix structure of DNA and the historical roles of Watson, Crick, Franklin, and Wilkins

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What mastery looks like

  • Explains the hierarchy: DNA → gene → chromosome → nucleus → cell
  • Describes what a gene is and what it codes for
  • States that human body cells contain 46 chromosomes in 23 pairs
  • Describes the contributions of Watson, Crick, Franklin, and Wilkins to the discovery of DNA structure

Check your understanding

If Chromosomes, Genes & DNA was asked what DNA actually is and where it is in the body, could they explain the relationship between DNA, genes, and chromosomes — and say roughly how many chromosomes a human cell has?

Prerequisites

Required first

Unlocks (4 directly)