1. What causes a volcano to erupt and how do scientists predict eruptions?

2. Why is the earth's core so hot? And how do scientists measure its temperature?

3. How did the Hawaiian islands form?

4. Could you tell me when the different Hawaiian islands were formed? How many volcanoes are active at this present time in Hawaii?

5. What are the different types of volcanoes?

6. How does lava get enough pressure to break through the crust?

7. What is the relationship between volcanoes, earthquakes, and plate-tectonics?

8. What's the difference between magma and lava and where do these terms come from?

9. How is lava formed?

10. What is lava made of?

11. How hot is lava?

12. How long does it take lava to cool?

13. How far can lava flow?

14. How high can lava shoot up in the air?

15. How fast does lava flow?

16. Why is lava different colors?

17. Why is lava so hot?

18. What makes the magma come out of the chamber and how does magma form?

19. How do volcanoes affect people?

20. How do volcanoes affect plants and animals?

21. What are some good things that volcanoes do?

22. How many active volcanoes are there?

23. What's the biggest volcano in the world?

24. What's the biggest volcano in the Solar System?

25. What's the tallest volcano in the world?

26. What is the largest eruption ever?

27. What are pyroclasts?

28. How is a volcano defined as being active, dormant, or extinct?

29. Why is magama called lava after it reaches the surface?

30. Do Hawaiian volcanoes explode like Mt. St. Helens?

31. What happened when Mount St. Helens erupted on May 18, 1980?

32. Will Mt. St. Helens erupt again?

33. What is the current status of Mt. St. Helens?

34. What were the effects on people when Mt St Helens erupted?

35. Why do volcanoes erupt?

36. What are the signs that a volcano is about to erupt?

37. Where can I find information on volcanoes that are erupting now?

38. Why are some eruptions gentle and others violent?

39. How long do eruptions last?

40. What are some of the more famous volcanic eruptions?

41. Where did the word 'volcano' originate?

42. Why are there volcanoes?

43. How are volcanoes formed?

44. What are the different types of volcanoes?

45. What is a hot spot?

46. Can volcanoes form just anywhere?

47. What is the Ring of Fire?

48. How are volcanoes and earthquakes related?

49. Why do volcanoes become dormant?

50. How do volcanoes get named?

51. How did hot spots get formed?

52. What part of the world do scientists call the "ring of fire"?

53. What is Volcanology?

54. What is a Volcanologist and what do they do?

55. Are there any women volcanologists?

56. What's the cause of volcanism in Yellowstone and is it likely to erupt again?

57. Is Mt. Rainier a dangerous volcano?

58. How many volcanoes are there in North America?

59. What is the most active volcano in the continental United States?

60. Why were there many active volcanoes in southern California about 10,000 years ago, but not now?

61. Why are there so many volcanoes in the Pacific Northwest and Alaska?

62. Why are there no active volcanoes in the Great Plains and Eastern U.S.?

63. What causes earthquakes?

64. How do undersea earthquakes cause tsunamis?

65. I understand that the plate upon which the islands are apart of experiences earthquakes daily. If this is true, how come we do not feel them?