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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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What Is an Earthquake

Science · Volcanoes & Earthquakes · conceptual

Know what an earthquake is: a sudden shaking of the ground that can be strong or weak

What mastery looks like

  • Describe an earthquake as the ground shaking suddenly
  • Explain that earthquakes vary in strength from barely noticeable to very strong
  • Describe what it might feel like during an earthquake

Check your understanding

Can What Is an Earthquake explain that an earthquake is when the ground suddenly shakes, and that some earthquakes shake harder than others?

Prerequisites

None — this is a foundational concept.

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