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5 Written questions

5 Matching questions

  1. ocean
  2. Continental slope
  3. rift valley
  4. Gulf Stream
  5. Salinity
  1. a a large body of water constituting a principal part of the hydrosphere
  2. b a surface current that carries warm water fromt he tropics to the North Atlantic
  3. c Steeply inclined region of the continental margin
  4. d long narrow valley where tectonic plates separate on the ocean floor
  5. e the measure of the amout of dissolved salts in a liquid

5 Multiple choice questions

  1. submerged volcanic mountain on the ocean floor, at least 1000m high
  2. the curving of the path of a moving object from an otherwise straight path due to Earth's rotation
  3. Sound navigating and ranging
  4. the process of removing salt from ocean water
  5. a streamlike movement of ocean water far below the surface

5 True/False questions

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


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


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


  4. undertowa subsurface current that is near shore and that pulls objects out to sea


  5. crestthe highest point of the wave