1. 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Definitions Know It All Facts Layers of the Earth Formation Potpourri

2. Underwater eruptions form what type of lava?

3. Pillow Lava

4. The sliding of one plate under another?

5. Subduction

6. Circular movement of material due to temperature is…

7. Convection Currents

8. They make up part of the crust and the upper mantle?

9. Plates

10. Another name for magma when it breaks through the mantle.

11. Lava

12. Where are most volcanoes found?

13. Ring of Fire

14. How are most volcanoes formed?

15. When plates collide.

16. What will happen if a plate moves and the hot spot stays put?

17. A new volcano will form

18. About how many volcanoes are there in the world?

19. Around 500

20. How many volcanoes are on the Ring of Fire?

21. About 300

22. How many layers are there in the Earth?

23. Four layers

24. Starting from the top. What is the layer we live on?

25. Crust

26. Where is most magma found?

27. Mantle

28. What are the four layers?

29. Crust, Mantle, Outer Core, and the Inner Core

30. What is the hottest layer in the Earth?

31. Inner Core

32. Volcanoes need __________ + Heat to make the magma rise

33. Pressure

34. A full ballon represented what part of a volcano?

35. Magma Chamber

36. When volcanoes erupt they can form?

37. Islands

38. Other than islands when volcanoes erupt they can form?

39. Underwater Ridges

40. As magma is heated it?

41. Rises

42. Magma rises in the mantle because of?

43. Convection currents

44. In order for lava to come out of the top of a volcano it must go through the?

45. Central Vent

46. This layer contains melted iron and nickel? (very hot)

47. Outer Core

48. Over time _________ _____ will eventually create an island, mountain, and rock.

49. Hardened lava

50. What is the largest volcano in Japan?

51. Mount Fuji