Across
- 4. Help trap sediments and reduce coastal erosion
- 5. The distance the wind has travelled over seas and oceans to form waves
- 7. When rock particles carried away by waves rub or hit against one another, they break down into smaller pieces and become smoother and more rounded over time
- 8. Determines the hardness of rocks and their resistance to erosion
- 10. Resistant rocks which extend into the sea
- 11. ______ currents are ocean currents that flow parallel to a coast
- 12. Motion that rapidly decreases with depth
- 14. Structures comprising colonies of billions of tiny polyps
- 15. A long, narrow ridge of sand or pebbles with one attached to the land
- 16. Interaction between communities of plants, animals and the environment
- 19. Loses energy due to gravity and friction with the land and returns to the sea as backwash
Down
- 1. Affects the movement of waves
- 2. Wave ______ is the process by which waves change direction as they approach a coast
- 3. Where the lithosphere and hydrosphere meets
- 6. Lowest part of a wave
- 8. The type of wave that is also known as swells and spilling breakers
- 9. Affects coastal environments
- 13. Observed to know the amount of energy in waves
- 17. Large-scale, continuous movements of water in seas and oceans
- 18. Pillar of rock in the sea left behind after an arch collapses