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Sudden and Gradual Changes to Earth

Earth's surface changes quickly and slowly. Compare fast events like earthquakes with slow processes like erosion.

17 min6 questions

What you'll be able to do

  • I can give examples of sudden and gradual Earth changes
  • I know some changes take seconds and others take millions of years
  • I can sort events by how fast they happen

How this works

  1. 1Read the short explanations first — they teach you what you need before each question.
  2. 2Answer each question, then tap Check. A right answer moves you on automatically; if it's wrong, you'll see a friendly explanation of why.
  3. 3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.

What's inside

6 questions and 1 quick teaching card, including:

  • 🔗Match the pairsChoose the partner that goes with each item.
  • Select all that applyMore than one can be right — pick every option that fits.

👪Grown-up tip: sit alongside younger learners for the first few lessons. Read the questions together and chat about the explanations — that's where the real learning sticks.

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Curriculum: AC9S6U03