Coasts

2. Irregular cracks in the rocks
4. Formed where the waves break along the shore or on sand banks
10. The process of the surface of the earth worn away by action of water
12. Water flowing under the surface and returning to the sea
13. Formed when weak rocks on a headland are eroded
15. Formed by materials brought to the shore by waves in the swash
18. A spit joining two land areas
19. waves Waves that are quite large and cut into the beach during rough weather
21. holes Waves grind rocks round in depressions

1. Waves go through a small gap and spread out in all different directions in deep water
3. The movement of the waves
5. When winds blow away the sand
6. Walls built out into the sea to destroy the sediment
7. A long narrow stretch of water reaching into the land from the shore line
8. Formed when erosion causes the rock supporting an arch to collapse
9. When the rock breaks away beneath
11. The movement of water up the beach after a wave breaks
14. The bending of waves caused by their contact with the sea floor and headlands
16. A narrow deposit of sand and other material which extends into a body of water
17. short drift Sand moves along to the side of the beach over time
20. dune Natural deposits of sand along the shore line