2. The thinnest layer of the Earth is The thinnest layer of the Earth is

3. When the rocks in the crust are subducted and heated, they When the rocks in the crust are subducted and heated, they

4. Old ocean floor is destroyed and melted beneath ______. Think: “ Deep Sea” Old ocean floor is destroyed and melted beneath ______. Think: “ Deep Sea”

5. The inner core of the Earth is made of The inner core of the Earth is made of

6. The layer that lies just above the outer core of the Earth is the The layer that lies just above the outer core of the Earth is the

7. The liquid layer of nickel and iron is located in the The liquid layer of nickel and iron is located in the

8. The seven lithosphere plates “float” on The seven lithosphere plates “float” on

9. thinner Which is thinner and more dense: and more dense: Oceanic or Continental crust? Which is t tt thinner and more dense: Oceanic or Continental crust?

10. The Earth’s thickest layer is the The Earth’s thickest layer is the

11. What causes the Earth to have a magnetic field? What causes the Earth to have a magnetic field?

12. A solid that has plasticity Can……. A solid that has plasticity Can…….

13. The solid top portion of the Earth is called the (think “Rock”) The solid top portion of the Earth is called the (think “Rock”)

14. The thickness of the Earth’s crust is the same everywhere. The thickness of the Earth’s crust is the same everywhere. True or False

16. The lithosphere is broken into ____ major plates. The lithosphere is broken into ____ major plates.

17. At the mid-ocean ridge, plates are At the mid-ocean ridge, plates are

18. The two plates that fit together the best are The two plates that fit together the best are

19. As new crust forms at the Mid-Atlantic Ridge, the Atlantic Ocean is gradually_______ As new crust forms at the Mid-Atlantic Ridge, the Atlantic Ocean is gradually_______

20. Trenches and volcanoes are associated with what type of boundary? Trenches and volcanoes are associated with what type of boundary?

21. Scientists believe that the plates move because Scientists believe that the plates move because

22. The area of the Pacific plate where a lot of volcanoes and earthquakes occur is called The area of the Pacific plate where a lot of volcanoes and earthquakes occur is called

23. Scientists have found the youngest rocks of the mid-ocean ridge are located Scientists have found the youngest rocks of the mid-ocean ridge are located

24. True or False The largest plate is the Pacific Plate. The largest plate is the Pacific Plate.

25. True or False The volcanoes in the Cascade Mountains are extinct and will never erupt again. The volcanoes in the Cascade Mountains are extinct and will never erupt again.

26. True or False Virginia lies along a plate boundary. Virginia lies along a plate boundary.

27. True or False The ocean floor from North America to Europe is flat like a swimming pool. The ocean floor from North America to Europe is flat like a swimming pool.

28. True or False Yellowstone National Park was caused by a hot spot. Yellowstone National Park was caused by a hot spot.

29. What type of boundary is found at the Himalaya Mountains. What type of boundary is found at the Himalaya Mountains.

30. What type of boundary is found at the Marinas Trench, west coast of the US? What type of boundary is found at the Marinas Trench, west coast of the US?

31. What type of volcanic area is found at the Hawaiian Islands.

32. What type of boundary is found at the San Andreas Fault. What type of boundary is found at the San Andreas Fault.

33. What type of boundary is found at the Mid-Atlantic Ridge. What type of boundary is found at the Mid-Atlantic Ridge.

34. Who proposed the continental drift theory? Who proposed the continental drift theory?

35. Big blocks of the Earth’s crust That move are called… Big blocks of the Earth’s crust That move are called…

36. The place where 2 continental plates crash into each other is called a___ The place where 2 continental plates crash into each other is called a___

37. The longest underwater mountain chain is the…..

38. These natural disasters occur at transform boundaries.

39. The boundary where plates are moving away from each other is called The boundary where plates are moving away from each other is called

40. The place where plates are moving past each other is called________ The place where plates are moving past each other is called________

41. This is a feature of a colliding Boundary, ex: Himalayan mtns. This is a feature of a colliding Boundary, ex: Himalayan mtns.

42. Volcanoes at subduction Zones occur on which plate, The subducting or Overriding plate? Volcanoes at subduction Zones occur on which plate, The subducting or Overriding plate?

43. What is the word for a magmas “resistance to flow” “resistance to flow”. What is the word for a magmas “resistance to flow” “resistance to flow”.

44. Which type of magma has a Higher Viscosity: “Resistance to flow” Felsic or Mafic? Which type of magma has a Higher Viscosity: “Resistance to flow” Felsic or Mafic?

45. What type of eruption does a mafic volcano have? a mafic volcano have? What type of eruption does a mafic volcano have? a mafic volcano have?

46. What type of eruption does a Felsic volcano have? What type of eruption does a Felsic volcano have?

47. What type of mountains are The Appalachian Mnts? What type of mountains are The Appalachian Mnts?

48. How long ago did the Super-continent Pangea Exist? How long ago did the Super-continent Pangea Exist?

49. What type of mountains are The Appalachian Mnts? What type of mountains are The Appalachian Mnts?

50. What type of Earthquake Waves Push and Pull? What type of Earthquake Waves Push and Pull?

51. What type of Earthquake Waves move side to side? What type of Earthquake Waves move side to side?

52. What type of Earthquake Waves are the most destructive? What type of Earthquake Waves are the most destructive?

53. Where does an Earthquake Originate? (beneath the surface) Where does an Earthquake Originate? (beneath the surface)

54. What type of volcano has a Broad base and gentle slopes (think: Hawaii) What type of volcano has a Broad base and gentle slopes (think: Hawaii)

55. What is the time between the Start of the first p-wave and The start of the first s-wave called? What is the time between the Start of the first p-wave and The start of the first s-wave called?

56. How many seismograph Stations are needed to Locate an Earthquake? Bonus: what is this called? How many seismograph Stations are needed to Locate an Earthquake? Bonus: what is this called?