Name: ___________________________________
Date: ___________________________________

Ocean Floor Features

  • 1. that portion of the seafloor adjacent to the continents; icludes the continental rise, continental slope, and continental shelf
  • 2. the gently sloping submerged portion of the continental margin, extending from the shoreline to the continental slope
  • 3. the steep gradient that leads to the deep-ocean floor and marks the seaward edge of the continental shelf
  • 4. a seaward extension of a valley that was cut on the continental shelf during a time when sea level was lower; a caynon carved into the outer continental shelf, continental slope, and continental rise by turbidity currents
  • 5. a down slope movement of dense, sediment-laden water created when sand and mud on the continental shelf and continental slope are dislodged and thrown into suspension
  • 6. the gently sloping surface at the base of the continental slope
  • 7. area of the deep-ocean floor between the continental margin and the oceanic ridge
  • 8. very level area of the deep-ocean floor, usually lying at the foot of the continental rise
  • 9. an isolated volcanic peak that rises at least 1,000 meter above the deep-ocean floor
  • 10. a continuous elevated zone on the floor of all the major ocean basins and varying in width from 1,000 to 4,000 kilometers; the rifts at the crests of ridges represent divergent plate boundaries
  • 11. the process by which plate tectonics produces new oceanic lithosphere at ocean ridges
  • a. submarine canyon
  • b. ocean basin floor
  • c. continental margin
  • d. continental shelf
  • e. continental slope
  • f. abbysal plains
  • g. turbidity current
  • h. seamount
  • i. seafloor spreading
  • j. continental rise
  • k. mid-ocean ridge
Answer Key
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Date: ___________________________________

Ocean Floor Features (Answer Key)

  • c 1. that portion of the seafloor adjacent to the continents; icludes the continental rise, continental slope, and continental shelf
  • d 2. the gently sloping submerged portion of the continental margin, extending from the shoreline to the continental slope
  • e 3. the steep gradient that leads to the deep-ocean floor and marks the seaward edge of the continental shelf
  • a 4. a seaward extension of a valley that was cut on the continental shelf during a time when sea level was lower; a caynon carved into the outer continental shelf, continental slope, and continental rise by turbidity currents
  • g 5. a down slope movement of dense, sediment-laden water created when sand and mud on the continental shelf and continental slope are dislodged and thrown into suspension
  • j 6. the gently sloping surface at the base of the continental slope
  • b 7. area of the deep-ocean floor between the continental margin and the oceanic ridge
  • f 8. very level area of the deep-ocean floor, usually lying at the foot of the continental rise
  • h 9. an isolated volcanic peak that rises at least 1,000 meter above the deep-ocean floor
  • k 10. a continuous elevated zone on the floor of all the major ocean basins and varying in width from 1,000 to 4,000 kilometers; the rifts at the crests of ridges represent divergent plate boundaries
  • i 11. the process by which plate tectonics produces new oceanic lithosphere at ocean ridges
  • a. submarine canyon
  • b. ocean basin floor
  • c. continental margin
  • d. continental shelf
  • e. continental slope
  • f. abbysal plains
  • g. turbidity current
  • h. seamount
  • i. seafloor spreading
  • j. continental rise
  • k. mid-ocean ridge

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