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Ocean Floor Topography

Quiz by Alexander Shannon

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11 questions
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  • Q1
    broad, flat part of the deep-ocean basin (covered by mud and the remains of marine organisms)
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    abyssal plain
    30s
  • Q2
    area between the shoreline and the continental slope (gradually sloping end of a continent that extends out under water)
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    continental shelf
    30s
  • Q3
    area between the continental shelf and the continental rise (this ocean floor feature is very steep)
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    continental slope
    30s
  • Q4
    volcanic mountain chain on the ocean floor-(forms where oceanic curst pulls apart-new oceanic crust forms here)
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    mid-ocean ridge
    30s
  • Q5
    Submerged volcanic mountains on the ocean floor (volcanic origin at least 1,000m high
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    seamount
    30s
  • Q6
    base of the continental slope (made of large piles of sediment)- area located between the continental slope and the deep ocean basin (abyssal plain)
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    continental rise
    30s
  • Q7
    huge crack or depression in the ocean floor- (forms at subduction zones- where one oceanic plate is pushed beneath a continental plate or another oceanic plate)
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    ocean trench
    30s
  • Q8
    forms when a seamount builds up above sea level
    volcanic island
    30s
  • Q9
    a system for the detection of objects under water and for measuring the water's depth by emitting sound pulses and detecting or measuring their return after being reflected.
    sonar
    30s
  • Q10
    long, narrow depression that forms when continental crust begins to separate at a divergent boundary
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    rift valley
    30s
  • Q11
    A large, flat-topped seamount resulting from erosion of an island volcano when it was above sea level.
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    guyot
    30s

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