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5 Written questions

5 Matching questions

  1. deep current
  2. whitecap
  3. tsunami
  4. trough
  5. wavelength
  1. a a giant ocean wave that forms after a volcanic eruption, submarine earthquake, or landslide
  2. b the bubbles in the crest of a breaking wave
  3. c the lowest point of the wave
  4. d The distance from any point on a wave to an identical point on the next wave
  5. e a streamlike movement of ocean water far below the surface

5 Multiple choice questions

  1. a large body of water constituting a principal part of the hydrosphere
  2. large, flat level area of deep ocean basin
  3. the highest point of the wave
  4. long undersea mountain chain where ocean floor spreading occurs
  5. a horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean's surface

5 True/False questions

  1. SONARSound navigating and ranging


  2. rift valleythe continuous process by which water moves from Earth's surface to the atmosphere and back


  3. El Ninoa change in the surface water temperature in the Pacific Ocean that produces a warm current


  4. desalinationthe process of removing salt from ocean water


  5. ocean trencha movement of ocean water that follows a regular pattern