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5 Written questions

5 Matching questions

  1. Salinity
  2. ocean current
  3. trough
  4. swell
  5. undertow
  1. a one of a group of long ocean waves that have steadily traveled a great distance from their point of generation
  2. b the measure of the amout of dissolved salts in a liquid
  3. c a movement of ocean water that follows a regular pattern
  4. d the lowest point of the wave
  5. e a subsurface current that is near shore and that pulls objects out to sea

5 Multiple choice questions

  1. a water current that travels near and parallel to the shoreline
  2. a surface current that carries warm water fromt he tropics to the North Atlantic
  3. The distance from any point on a wave to an identical point on the next wave
  4. Sound navigating and ranging
  5. the zone of rapid temperature change in the ocean

5 True/False questions

  1. surface currenta movement of ocean water that follows a regular pattern


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


  3. wave periodthe time between the passage of two wave crests or troughs at a fixed point


  4. water cyclethe continuous process by which water moves from Earth's surface to the atmosphere and back


  5. cresta large body of water constituting a principal part of the hydrosphere


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