Ocean Topography

8. What is the steep seafloor region that separates the continental shelf from the deep ocean basin?
10. What type of crust is found beneath the continents?
12. What is the low-relief zone of accumulated sediments between the continental slope and abyssal plain?
13. What geological structures are found along the mid-ocean ridge?
14. What is the lowland area that forms when tectonic plates move apart?
16. What is the name of the deepest part of the ocean (Hint: _____________ trench)?
17. There are two types of animals in the abyssal plain, vertebrates and __________________.
19. What type of vents are found at the mid-ocean ridge?
21. What is the term for particles of organic or inorganic matter that accumulate on the ocean floor?
22. What is the submerged part of a continent called?

1. What is the process called when one tectonic plate is forced beneath another?
2. What is a large underwater mountain that rises from the ocean floor but doesn't reach the surface?
3. What is the longest and largest mountain range on Earth found under the ocean?
4. What is the term for the natural home of an organism?
5. What is the name of the area in the Pacific Ocean known for its deep ocean trenches?
6. What type of crust is found beneath the ocean?
7. What is the flat, muddy region on the ocean floor that covers more than half of the Earth's surface?
8. What geological feature is found on the continental slope?
9. What is the term for a community of living organisms in a particular environment?
11. What type of TINY life is mainly found in the abyssal plain?
12. What is another mineral deposit found at the mid-ocean ridge?
15. What valuable mineral is found at the mid-ocean ridge?
18. What is the long, narrow, steep depression in the ocean floor created by tectonic plate movement?
20. What type of tectonics creates rift valleys?