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