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Coastal Defences

Coastal Defences. Two mothers and two daughters go to a pet store and buy three cats. Each female gets her own cat. How is this possible?. Coastal Defences. Coastal Defences. Coastal Defences. Coastal Defences. Coastal Defences. Today we are learning about….

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Coastal Defences

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  1. Coastal Defences Two mothers and two daughters go to a pet store and buy three cats. Each female gets her own cat. How is this possible?

  2. Coastal Defences

  3. Coastal Defences

  4. Coastal Defences

  5. Coastal Defences

  6. Coastal Defences Today we are learning about… the positive and negatives of coastal defences. By the end of the lesson… ALL can collect information MOST can explain how the coastal defences work (Level 5) SOME can evaluate the pros and cons of each method (Level 6-7)

  7. Sea Defences – Hard Engineering • Sea Wall • Concave so deflects wave energy • Provides something to erode • Rock Armour • Breaks the waves • Is hard to erode

  8. Sea Defences – Hard Engineering • Gabion Baskets • Absorb wave power • Provides something to erode • Groynes • Stops long shore drift • Keeps the beach which protects the cliff

  9. Sea Defences – Soft Engineering • Beach Nourishment • Beach protects the cliff • Managed Retreat • Sacrifice one part of the coast to protect another.

  10. Coastal Defences • Go to Moodle > Geography > Year 8 > Unit 1 • Read the Coastal Defenses information • Use the information to complete your worksheet Open the ‘What would you do?’ file on Moodle For each scenario you need to write down what the best defence would be and explain why. Do this in your exercise book.

  11. Coastal Defences Today we are learning about… the positive and negatives of coastal defences. By the end of the lesson… ALL can collect information MOST can explain how the coastal defences work (Level 5) SOME can evaluate the pros and cons of each method (Level 6-7)

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