Holding back the Sea

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Slide 1: Slide
GeographyPrimary EducationAge 11

This lesson contains 19 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 30 min

Items in this lesson

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The result is often devastating

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Nearing the coast...
  • The wave approaches the coastline at high speed
  • It is slowed down by the shallower coastal water
  • Because of that, the wave builds up vertically
  • Waves can reach heights of 10-15 meters above normal levels
  • It can pass sea defences (like dikes) easily and crashes down on the areas lying beyond the sea defences

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What is sea defense?

Slide 4 - Open question

Slide 5 - Slide

timer
2:00
Types of Sea Defenses

Slide 6 - Mind map

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