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Ocean Floor
Ocean Topography
Question | Answer |
---|---|
What is oceanography? | the study of the ocean and everything in it |
What is topography? | a map of the ocean floor |
List the levels of the ocean floor in order starting with the coast. | coast, continental shelf, continental slope, continental rise (and then the other levels--those are not in a certain order) |
continental shelf | gently sloping part of the continent that is underwater |
area where we swim | continental shelf |
continental slope | steep slope of the ocean floor between the shelf and rise |
continental rise | gentle slope made of sediment between the slope and abyssal plain |
abyssal plain | mostly flat plain on the ocean floor |
seamount | mountain under water |
mid-ocean ridge | underwater volcanic mountain chain |
volcanic island | volcano that rises above the top of the ocean |
deep sea trench | deep valley under the ocean floor; deepest part of the ocean |