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

3. The layer that has convection currents is the

4. The layer of the Earth that is Solid Iron Is the The layer of the Earth that is Solid Iron Is the

5. The layer that lies just below the crust of the Earth is the

6. Which is solid, the lithosphere or the asthenosphere?

7. The layer composed of liquid Iron and Nickel is the The layer composed of liquid Iron and Nickel is the

8. How do we know If the layers are solid or liquid? How do we know If the layers are solid or liquid?

9. What is illustrated below?

10. thinner Which is thinner and more dense: and more dense: Oceanic or Continental crust? thinner Which is thinner and more dense: and more dense: Oceanic or Continental crust?

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

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

14. Plates moving past each other is called a________

15. When 2 continental plates collide and push upwards, what type of boundary forms? (Be specific)

16. A _________ zone is found at the Marina Trench, where the oceanic plate goes under A _________ zone is found at the Marina Trench, where the oceanic plate goes under

17. What 4 things match up on continents that suggests continental drift?

18. At a mid-ocean ridge, plates are At a mid-ocean ridge, plates are

19. As new crust forms at the Mid-Atlantic Ridge, the Atlantic Ocean is gradually getting bigger This is called ______ As new crust forms at the Mid-Atlantic Ridge, the Atlantic Ocean is gradually getting bigger This is called ______

20. These natural disasters occur at transform boundaries and at ALL Plate Boundaries. These natural disasters occur at transform boundaries and at ALL Plate Boundaries.

21. What feature is formed when a continental plate splits apart? What feature is formed when a continental plate splits apart?

22. What is an example of a famous Rift Valley? What is an example of a famous Rift Valley?

23. Deep Sea Trenches and volcanoes Are associated with what type of boundary? Deep Sea Trenches and volcanoes Are associated with what type of boundary?

24. What is a feature of a colliding Convergent Boundary examples: Himalayan and Appalachian Mountains What is a feature of a colliding Convergent Boundary examples: Himalayan and Appalachian Mountains

25. 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

26. Where are the youngest igneous rocks of a mid-ocean ridge located? Where are the youngest igneous rocks of a mid-ocean ridge located?

27. The volcano, Mt. St. Helens in Washington state is formed from which type of boundary? The volcano, Mt. St. Helens in Washington state is formed from which type of boundary?

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

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

30. A feature on the ocean floor at subduction zones is called a ______. Think: “ Deep Sea” A feature on the ocean floor at subduction zones is called a ______. Think: “ Deep Sea”

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

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

33. What is the name of the last Supercontinent? What is the name of the last Supercontinent?

34. When the continents collided to form Pangaea, what geologic feature was created?

35. Volcanoes

36. Where do volcanoes form? Most volcanoes occur at: 1.DIVERGENT boundaries 2.CONVERGENT – S UBDUCTION boundaries. 3.Hot Spots

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

38. What are the warning signs of a volcanic eruption? 1.Earthquakes 2.Ground Deformation 3.Release of Gases

39. What major gases are released by volcanoes? 1.Water Vapor 2.Carbon Dioxide 3.Sulfur Dioxide

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

41. 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?

42. Earthquakes

43. What is a break or fracture in Earth’s crust where movement Occurs called? Ex: Strike-Slip _____ What is a break or fracture in Earth’s crust where movement Occurs called? Ex: Strike-Slip _____

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

45. What is the area directly above the focus called? (on the surface) What is the area directly above the focus called? (on the surface)

46. P waves are also called? Primary Waves

47. S Waves are also called? Secondary Waves

48. Which seismic waves travels the fastest? Primary Waves

49. Which seismic waves cause the most damage? Surface Waves

50. Which seismic waves can only travel through solids? Secondary Waves

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

52. What is the S-P time interval used for? What is the S-P time interval used for?

53. What scale do we use to measure the strength of an earthquake? Richter Scale

54. What is the instrument used to measure the strength of an earthquake? Seismograph

55. What is the paper record of the earthquake data? Seismogram

56. Label the diagram A B C