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Earth Science Test

1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. Explain the two ways scientist divide earths layers. Explain how continental and oceanic crusts differ. Which layer of the earth is the largest? Explain how the lithosphere is divided. Which compositional layers does the lithosphere reside in? How many major tectonic plates are there? Describe how scientists are able to map earths physical layers. Explain Wegners theory of continental drift. Explain how the theory of Pangaea is supported by continental drift. Explain sea-floor spreading. How is magnetic reversals evidence of sea-floor spreading? How do scientists explain the forces that move tectonic plates? Explain convergent boundaries. Explain divergent boundaries. Explain transform boundaries. How are scientists able to track plate motion? Explain the difference between tension and compression. How does folding occur? What are the two most common types of fold? What happens when rock layers break from stress? Explain how normal and reverse faults are different and how they occur. What is a strike-slip fault? Explain how folded mountains form. Explain how fault Block Mountains form. Explain how volcanic mountains form. Explain how tectonic plates affect the world. Explain how Wegners Theory of plate tectonics was supported and proved. Thoroughly explain, compare, and contrast the difference between the boundaries and how they form. 29. Explain what happens when Earths crust is stressed. 30. Describe how plate tectonics are involved in mountain building.

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