1. Wave Erosion
Chapter 4.3

2. Key Question
How do waves cause erosion and deposition?

3. How do waves cause erosion?
Waves shape the coast by breaking down rock through impact and abrasion.

4. Headland
A part of the shore that sticks out into the ocean.

5. How do waves cause deposition?
Waves shape a coast when they deposit sediment, forming coastal features such as beaches, sandbars, barrier beaches, and spits.

6. Beach An area of wave-washed sediment along a coast.
Pensacola ????? before and after Ivan, 2004

7. Longshore drift
The movement of water and sediment down a beach caused by waves coming in to shore at an angle.

8. Spit
A beach that projects like a finger out into the water.

9. Erosion or Deposition? E Sea Cave D Beach E Wave-cut cliff E Headland
D Spit
E Sea Arch
D Sandbar
E Sea stack