Across
- 1. backflow of waves through a narrow gap in the breakers
- 5. a whirlpool or vortex of spinning water due to changing tides
- 7. deposited material that forms an island
- 8. movement below the surface
- 12. highest point of a wave
- 13. the difference in the level of high tide and low tide
- 15. lower than normal low tide
- 17. distance between two crests
- 18. distance between the highest and lowest part of a wave
- 19. removal of salt by a special kind of filter or membrane
- 20. rising of cool, nutrient-rich water
- 23. deposited material that closes the mouth of a bay
- 26. when the level of the ocean is high up on the shore
- 28. part of ocean that dents into land
- 31. another name for rip tide
- 32. removal of salt by evaporation
Down
- 2. wall across the tidal channel of a river to harness energy
- 3. deposited material that forms a curved shape
- 4. when the level of the ocean along the shore is low
- 6. movement of surface water primarily due to wind and solar heating
- 9. gradual wearing away of rocks and land by moving water
- 10. giant wave generated by an earthquake or volcanic eruption
- 11. higher than normal high tide
- 14. part of ocean partially enclosed by land
- 16. movement due to differences in density
- 21. large vortex of water formed by converging surface currents
- 22. deposited material that forms a straight line from the land into a bay
- 24. top of a wave falling over
- 25. removal of salt from sea water
- 27. lowest point of a wave
- 29. animal life
- 30. water that is somewhat salty but less salty than sea water