2 pt

1. Answer – must in Q form – V holds the final right for the answer Pulling me apart Tension Chemical Physical Not my fault 1pt 1 pt 1 pt 1pt 1 pt 2 pt 2 pt 2pt 2pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4pt 4 pt 4pt 5pt 5 pt 5 pt 5 pt 5 pt

2. Tectonic plates consist of ______________________ 1

3. both continental and oceanic crust. 1

4. The deep interior of the Earth can be mapped using ______________________ 2

5. seismic waves 2

6. Wegener thought that all the continents were once together in one large continent called ______________________ 3

7. What is Pangaea 3

8. Evidence for sea-floor spreading has come from______________________ 4

9. magnetic minerals on the ocean floor 4

10. A possible result of plates moving along a transform boundary is______________________ 5

11. What are earthquakes 5

12. What is the outermost layer of the Earth called? ______________________ 1

13. What is the lithosphere 1

14. What type of fault usually occurs because of tension? ______________________ 2 1 1

15. Whatisnormal 2

16. What type of fault usually occurs because of compression? ______________________ 3

17. What is reverse? 3

18. What kind of force can lead to mountains with sharp, jagged peaks? ______________________ 4

19. What is tension 4

20. What type of boundary is formed when plates collide? ______________________ 5

21. What is convergent 5

22. According to the continental drift theory, a single, huge continent once existed called______________________ 1

23. What is Pangaea? 1

24. Where does sea-floor spreading take place? ______________________ 2

25. What are the mid-ocean ridges 2

26. The mantle is denser than the crust because it contains more______________________ 3

27. What is magnesium 3

28. Seismic waves travel through Earth’s layers at different speeds depending on the______________________ 4

29. What is density 4

30. The fact that similar fossils are found on both sides of the ocean is evidence of______________________ 5

31. What is continental drift. 5

32. What do scientists use the global positioning system for? ______________________ 1

33. What is to measure tectonic plate motion 1

34. What is it called when Earth’s magnetic poles change places? ______________________ 2

35. What is Magnetic reversal 2

36. The layer of rock that comprises 67% of Earth’s mass ____________________. 3

37. What is the mantle ? 3

38. What is the major evidence that sea-floor spreading creates new lithosphere? Explain your answer. 4

39. What is -Molten rock at mid-ocean ridges has magnetized minerals that align with Earth’s magnetic field -When the Earth’s magnetic field reverses, the magnetized minerals align in the opposite direction -The record of magnetic reversals is carried away from each side of the spreading center of a mid-ocean ridge, showing that the molten rock is creating new lithosphere. 4

40. What is the order of the layers of the Earth from the surface to the center? ______________________ 5

41. What are Lithosphere, Asthenosphere, Mesosphere, Outer core, Inner core 5

42. Tectonic plates “float” on what ? ______________________ 1

43. What is Gondwana 1

44. The San Andreas Fault is an example of a ______________________ 2

45. What is a strike-slip fault. 2

46. Earth’s liquid layer ____________________. 3

47. What is outer core 3

48. Stress that stretches a rock layer____________________. 4

49. What is tension 4

50. Explain the process of subduction. 5