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3. Plate
Tectonics
Mountain
Building
Volcanoes
Earthquakes
Measuring
Earthquake
Waves
10 Point
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15 Points
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4. The theory that states that the continents once formed a single landmass, broke up, and drifted.

5. What is continental drift?

6. Volcanic mountain ranges are generally formed at this type of boundary.

7. What is convergent?

8. In this process, a plate moves because it is pulled along when its denser edge sinks beneath Earth’s surface.

9. What is slab pull?

10. This process moves plates away from mid-ocean ridges as rock cools and becomes more dense.

11. What is ridge push?

12. The movement of molten rock due to differences in density (warmer rising, cooler sinking).

13. What is convection? (mantle convection)

14. The process that can cause land to rise, and can contribute to mountain building.

15. What is
Uplift?

16. The type of stress that squeezes or pushes rock together.

17. What is compression?

18. The type of stress that stretches or pulls rock apart.

19. What is tension?

20. The type of stress that pushes rocks in parallel but opposite directions.

21. What is shear stress?

22. The type of mountains that form when tension makes the lithosphere break into many normal faults.

23. What are fault-block mountains?

24. An opening or a depression at the top of a volcano.

25. What is a crater?

26. An expanded area of magma inside a volcano.

27. An expanded area of magma inside a volcano.

28. What is a magma chamber?

29. Hot ash and bits of rock, that may be ejected into the atmosphere during an eruption.

30. What is pyroclastic material?

31. locations far from plate boundaries where a column of extremely hot mantle rock, rises and produces volcanoes.

32. What are hot spots?

33. a column of extremely hot molten rock that comes directly from the mantle.

34. What is a mantle plume?

35. Ground movements that occur when blocks of rock in Earth move suddenly and release energy.

36. What is an earthquake?

37. The place within Earth along a fault where the first motion of an earthquake occurs.

38. What is the focus?

39. The place on Earth’s surface directly above where the first motion of an earthquake occurs.

40. What is the epicenter?

41. The return of rock to its original shape after elastic deformation.

42. What is elastic rebound?

43. a series of extremely long waves that can travel across the ocean at speeds of up to 800 km/h.

44. What is a tsunami?

45. vibrations that cause different types of ground motion.

46. What are seismic waves?

47. Seismic waves that travel through Earth’s interior.

48. What are body waves?

49. Seismic waves that travel along Earth’s surface.

50. What are surface waves?

51. The fastest body waves that can travel through any medium.

52. What are P waves?

53. The difference between the arrival times of P waves and S waves.

54. What is lag time?

55. Final Jeopardy
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56. The number of times stronger an earthquake is for each progressive unit on the Richter scale.

57. What is 10?