Science: Ocean Origins
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Avg score: 55% • Most missed: “The deepest ocean is the _______ and the shallowest is the _______”
Science: Ocean Origins
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25 Questions

1. Continental crust (lithosphere) is composed of

2. Hydrologic cycle

3. The deepest ocean is the _______ and the shallowest is the _______

4. Scientific evidence for the origin of the ocean

5. The theory of how Earth was formed

6. The first living organisms were

7. radioactive dating

8. Why does mars lack an ocean?

9. The mantle is composed of

10. Where did the salts in the ocean come from?

11. What increases and decreases salinity?

12. The ability to make energy by breaking down chemicals

13. Oceanic crust is composed of

14. Where life was thought to have begun on the ocean floor

15. About how many different chemical elements are found in sea water?

16. Salinity is affected by

17. relative dating

18. The first organisms with the capacity for photosynthesis

19. The Pacific Ocean is ________ and the Atlantic Ocean is _________

20. The Big Bang occurred

21. What is the average salinity throughout the world?

22. Granite and Basalt are an example of

23. Earth's main oceans

24. Ocean formed ___ years ago

25. A type of rock present just after Earth solidified

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