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From crack to stump: caves, arches and stacks

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This worksheet marks itself

Set it as homework or classwork and every answer is marked as pupils go, with feedback on what they got wrong. The scores go straight into your mark book, so you can see who needs help before the next lesson.

  • 11 questions
  • 35 marks
  • about 32 minutes
  • marked instantly

Question types: multiple choice, true or false, table completion, label the diagram, matching.

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Try one from this worksheet

Priya says: "An arch collapses because the waves reach right up and erode the roof." Aiden says: "The roof is weakened by weathering, and then it falls under gravity." Who is correct?

Pick an answer: it's marked straight away, just as your pupils would see it.

About this resource

KS3 Coasts, lesson 6. A sequenced explanation: how a weakness in a headland becomes a cave, an arch, a stack and finally a stump, naming hydraulic action, abrasion, weathering and gravity at each stage.

15 slides.

Lesson outline

  1. Hook — Where Did It Go?
  2. Do Now — Retrieval
  3. Keywords for This Lesson
  4. Teach — From Crack to Stump
  5. I Do — Weakness to Arch
  6. Quick Check — Name That Process
  7. We Do — Arch to Stump
  8. Hinge Check — Why Does an Arch Collapse?
  9. Show Me — Arch to Stack
  10. Two Real Examples
  11. Task — Order the Explanation
  12. Task — Write the Whole Sequence
Unit bundleCoasts
Part of: Coasts: the whole unitEvery resource in the unit in one zip.

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