2. Jeopardy start

3. Plutons

4. Magma

5. Tephra

6. Cones

7. Eruptions

8. Miscellaneous

9. $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 Game board PlutonsTephraMagmaConesEruptionsMisc.

10. 1-100 Large magma chambers that cool underground form these

11. 1-100A 1 - 100 What are batholiths?

12. 1-200 Smaller versions of batholiths

13. 1-200A 1 - 100 What are stocks?

14. 1-300 Small intrusive bodies oriented vertically, much like a dam

15. 1-300A 1 - 100 What are dikes?

16. 1-400 These intrusive rock bodies form flat, horizontal structures

17. 1-400A 1 - 100 What are sills?

18. 1-500 This structure has a “mushroom” shape to it.

19. 1-500A 1 - 100 What is a laccolith?

20. 2-100 1 - 100 This magma is the mineralogical equivalent of the rock granite, and has the highest gas content.

21. 2-100A 1 - 100 What is rhyolitic magma?

22. 2-200 Hawaiian volcanoes are made of this type of magma.

23. 2-200A 1 - 100 What is basaltic magma?

24. 2-300 This magma is low in silica.

25. 2-300A 1 - 100 What is basaltic magma ?

26. 2-400 This “intermediate” type of magma is formed when ocean plates subduct beneath continental rock.

27. 2-400A 1 - 100 What is andesitic magma?

28. 2-500 This magma is high in silica, gas, and water.

29. 2-500A 1 - 100 What is rhyolitic magma ?

30. 3-100 1 - 100 Tephra is classified by this.

31. 3-100A 1 - 100 What is size?

32. 3-200 The smallest tephra is called this.

33. 3-200A 1 - 100 What is dust?

34. 3-300 These “little stones” are ejected by eruptions of cinder cones.

35. 3-300A 1 - 100 What is lapilli?

36. 3-400 The largest tephra may be angular in shape.

37. 3-400A 1 - 100 What are volcanic blocks?

38. 3-500 Volcanic bombs may have this shape.

39. 3-500A 1 - 100 What is rounded or aerodynamic?

40. 4-100 1 - 100 This is the smallest type of volcanic cone.

41. 4-100A 1 - 100 What is a cinder cone?

42. 4-200 Mt. St. Helens is this volcanic type.

43. 4-200A 1 - 100 What is a composite cone?

44. 4-300 This type of cone is the largest by mass and geographically.

45. 4-300A 1 - 100 What are shield volcanoes?

46. 4-400 These “small” volcanoes have steeply-sloping sides.

47. 4-400A 1 - 100 What are cinder-cone volcanoes?

48. 4-500 These “tourist” volcanoes contain magma that is low in silica and gases.

49. 4-500A 1 - 100 What are shield volcanoes?

50. 5-100 1 - 100 This small tephra may pose hazards for aircrafts by clogging the engines.

51. 5-100A 1 - 100 What is volcanic ash?

52. 5-200 Composite volcanoes have alternating eruptions of these two materials.

53. 5-200A 1 - 100 What is tephra and lava?

54. 5-300 Flows of hot, poisonous gases from volcanoes that travel up to 125 km/hr.

55. 5-300A 1 - 100 What are Pyroclastic Flows?

56. 5-400 Violent eruptions are more likely with magma with this type of viscosity.

57. 5-400A 1 - 100 What is high viscosity?

58. 5-500 Melted glacial ice and tephra mudflows called this.

59. 5-500A 1 - 100 What are lahars?

60. 6-100 1 - 100 These volcanic islands originate at a “hot spot”.

61. 6-100A 1 - 100 What is Hawaii?

62. 6-200 This active Washington state volcano is the result of the subduction of the Juan de Fuca plate.

63. 6-200A 1 - 100 What is Mt. St. Helens?

64. 6-300 Crater Lake in Oregon is famous for being this type of volcanic structure.

65. 6-300A 1 - 100 What is a caldera?

66. 6-400 Ship-rock in New Mexico is an example of this.

67. 6-400A 1 - 100 What is a volcanic neck?

68. 6-500 This type of lava flow wrinkles.

69. 6-500A 1 - 100 What is pahoehoe?

71. This is the other name for a pyroclastic flow composed of hot gas and ash.

73. What are Nuée Ardantes?

75. Daily Double Round 1