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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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Changes & Separation Vocabulary

Science · Matter & Materials · language

Use process vocabulary for changes of state and material separation — dissolve, solution, soluble, insoluble, evaporate, condense, melt, freeze, filter, sieve, mixture, separate — and understand precisely what each term describes, including the important distinction between dissolving and melting

What mastery looks like

  • Distinguish 'dissolve' from 'melt' correctly in context and explain the difference
  • Use 'soluble' and 'insoluble' accurately when describing whether a material dissolves in water
  • Explain the difference between evaporation and condensation using the correct terms

Check your understanding

If Changes & Separation Vocabulary stirs sugar into tea, can they explain whether the sugar dissolved or melted — and tell you those are different things?

Prerequisites

None — this is a foundational concept.

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