Matching Pairs Ocean Floor FeaturesOnline version oceanic landforms by Taylor Tant 1 Mid Ocean Ridge 2 Continental Slope 3 Abyssal Plain 4 Trench 5 Continental Shelf 6 Rift/ Rift Zone a steep-sided canyon with deep, narrow valleys in the bottom of the ocean. the center of the highest part of the mid-ocean ridge; it is a narrow trench The edge of the continent that is under water; shallow part of the ocean The steep slope where the continental shelf drops to the bottom of the ocean floor underwater volcanic mountains that divide the ocean floor into 2 parts large area of flat land on the ocean floor