ES 13A

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Across
  1. 1. An immense downward slope that is the upper edge of the deep ocean basin.
  2. 4. The computed average height of high and low tides.
  3. 6. Every ocean basin has one or more _____.
  4. 13. The area where only the highest tides and storm waves reach.
  5. 14. A ring of low coral islands and reefs surrounding a lagoon.
  6. 17. A ever-changing place that extends underwater beyond the shore.
  7. 18. The breaking action that can dig a ____ on the longshore bar.
Down
  1. 2. Geologic feature that is formed from activities of animals.
  2. 3. These have a relatively steep slope on one side toward the continental plate and a gentle slope on the seaward side
  3. 5. The shallow bottom of the beach beyond the low-tides where waves first break
  4. 7. The smooth area between the continental slope and the ocean floor.
  5. 8. Beyond the beach zone, the bottom slopes out gently from the continent, forming a _____.
  6. 9. Deep, relatively flat sea floor.
  7. 10. Submerged volcanoes, hills, or mountains.
  8. 11. The level of the sea's surface at a particular place and time.
  9. 12. Long, curved strings of volcanic islands.
  10. 15. The zone between the high and low tides on shorelines.
  11. 16. A strip of land that separates the coastal region from the ocean