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Ocean floor puzzle

  •  English    14     Public
    A review about all the layers that make up the world ocean.
  •   Study   Slideshow
  • Where are seas usually located?
    Where the land and ocean meet.
  •  15
  • What percent of the world's water does the Atlantic Ocean contain?
    25%
  •  15
  • What are the four main oceans?
    Pacific, Atlantic, Indian, Artic
  •  15
  • In which hemishere are most of Earth's landmasses?
    Northern hemisphere
  •  15
  • What is the third section of ocean floor called?
    Continental rise
  •  15
  • Which underwater mountain range forms the Azores, Ascension and Tristan da Cunha islands?
    Mid-Atlantic Ridge
  •  20
  • Which underwater geological formation has depths between 7 and 11 km?
    Trenches
  •  20
  • How deep is the Puerto Rico Trench?
    8,400 meters
  •  15
  • The movement of tectonic plates is responsible for the: _______________________.
    continental drift
  •  20
  • What geological process is the opposite of seafloor spreading?
    Subduction
  •  25
  • Which two tectonic plates form the deepest zone in the ocean?
    Pacific plate and Philippine plate
  •  20
  • In which ocean zone (horizontal divisions) is salinity higher?
    Intertidal zone or littoral
  •  15
  • In which oceanic zone are coral reefs found?
    Neritic zone
  •  15
  • In which open ocean zone is oxygen more abundant?
    Epipelagic zone
  •  15