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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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Rain & Puddles

Science · Weather & Climate · conceptual

Know that rain falls from clouds in the sky, that puddles disappear because water goes back into the air, and that this is part of how water moves around — up into the sky and back down again

What mastery looks like

  • State that rain falls from clouds
  • Explain that puddles disappear because the water goes into the air
  • Describe the basic idea that water goes up and comes back down in a repeating process

Check your understanding

If Rain & Puddles notices a puddle has disappeared on a sunny afternoon, can they explain that the water went up into the air, and that it will come back down again as rain from a cloud?

Prerequisites

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