Matching Pairs Ocean Floor Matching Online version Students will match vocab with their terms by Bethaney Barber 1 Sound Navigation and ranging Scientists send sound pulses from a ship to the bottom of the ocean floor The sound moves through the water, bounces off ocean floor and returns to ship 2 Mountain chains that form when tectonic plates pull apart. Creates cracks in the ocean floor called RIFT ZONES 3 is the Study of the shape and features of Land surfaces 4 Begins at shoreline and slopes gently down 5 Huge cracks in the deep-ocean basin 6 Made of continental crust- Shallower than the deep-ocean basin 7 Individual mountains of volcanic material 8 The base of the continental slope, is made of large piles of sediment 9 Begins at the edge of the shelf and continues down to the flattest part of the ocean floor 10 Made of oceanic Crust- deeper than the continental margin Mid-ocean ridge Continental margin Sonar Seamount Continental slope Ocean Trench Deep-ocean basin Continental Shelf Continental rise Topography