KQ1 CROSSWORD ON COASTAL

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