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5 Written questions

5 Matching questions

  1. surface current
  2. whitecap
  3. Continental slope
  4. mid-ocean ridge
  5. El Nino
  1. a a change in the surface water temperature in the Pacific Ocean that produces a warm current
  2. b the bubbles in the crest of a breaking wave
  3. c a horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean's surface
  4. d Steeply inclined region of the continental margin
  5. e long undersea mountain chain where ocean floor spreading occurs

5 Multiple choice questions

  1. the time between the passage of two wave crests or troughs at a fixed point
  2. a local rise in sea level near the shore that is caused by strong winds from a storm, such as those from a hurricane
  3. Sound navigating and ranging
  4. the zone of rapid temperature change in the ocean
  5. deep, steep depression on the ocean floor where tectonic plates converge

5 True/False questions

  1. seamountsubmerged volcanic mountain on the ocean floor, at least 1000m high


  2. desalinationthe measure of the amout of dissolved salts in a liquid


  3. wavelengthThe distance from any point on a wave to an identical point on the next wave


  4. Continental shelfGently sloping, almost flat region of the ocean floor closet to land


  5. swellone of a group of long ocean waves that have steadily traveled a great distance from their point of generation


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