Ocean Floor Topography
Quiz by Alexander Shannon
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11 questions
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- Q1broad, flat part of the deep-ocean basin (covered by mud and the remains of marine organisms)abyssal plain30s
- Q2area between the shoreline and the continental slope (gradually sloping end of a continent that extends out under water)continental shelf30s
- Q3area between the continental shelf and the continental rise (this ocean floor feature is very steep)continental slope30s
- Q4volcanic mountain chain on the ocean floor-(forms where oceanic curst pulls apart-new oceanic crust forms here)mid-ocean ridge30s
- Q5Submerged volcanic mountains on the ocean floor (volcanic origin at least 1,000m highseamount30s
- Q6base of the continental slope (made of large piles of sediment)- area located between the continental slope and the deep ocean basin (abyssal plain)continental rise30s
- Q7huge 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)ocean trench30s
- Q8forms when a seamount builds up above sea levelvolcanic island30s
- Q9a 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.sonar30s
- Q10long, narrow depression that forms when continental crust begins to separate at a divergent boundaryrift valley30s
- Q11A large, flat-topped seamount resulting from erosion of an island volcano when it was above sea level.guyot30s