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)