Volcano

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Across
  1. 3. The of the Earth between the crust and the molten core
  2. 5. Small fragments of lava
  3. 7. A naturally occurring inorganic substance
  4. 11. Hot substance found in a volcano
  5. 12. The substance created when molten rock cools
  6. 13. The movement of the Earths continents
  7. 14. A volcano that is not likely to erupt again
  8. 16. What the continents sit on
  9. 23. Also known as the water cycle
  10. 26. The scale sound is measured with
  11. 27. A vent which volcanic gasses escape
  12. 31. Also a protective weapon
  13. 33. The study of rocks
  14. 34. mountain that erupts
  15. 35. An are in the Pacific Ocean with lots of volcanoes
  16. 37. The southern super-continent formed when Pangaea broke apart
  17. 40. The scientist that studies fossils
  18. 44. A volcanic eruption on the side of a volcano
  19. 45. The area of alignment between the north and south poles
  20. 49. Most common lava type in shield volcanoes
  21. 50. Solidified lava that is in tiny particles
  22. 51. The outermost layer of the Earth
  23. 52. scale The scale measuring the intensity of an earthquake
  24. 55. A scientist who studies rocks
  25. 57. Very old
  26. 58. The study of oceans
  27. 62. The northern super-continent the formed when Pangaea broke
  28. 63. tube A tube-like tunnel formed by flowing lava
  29. 64. A state of matter where the molecules are spread widely
  30. 65. A huge waved cause by underwater earthquakes
Down
  1. 1. A space rock that enters Earths atmosphere
  2. 2. A circular depression in the top of a volcano
  3. 4. The measurement of temperature
  4. 5. Most dangerous volcano
  5. 6. The unit in which and earthquake is measured with
  6. 8. A time when the the Earth was very cold
  7. 9. Imaginary circle around the earth
  8. 10. The ocean floor
  9. 15. Light-colored volcanic rock rich in silica
  10. 17. An era lasting hundreds of millions of years
  11. 18. The first main super-continent
  12. 19. The period when dinosaurs flourished
  13. 20. The angular distance east or west of the prime meridian
  14. 21. A chemically pure substance composed of atoms of a single type
  15. 22. Rocks compacted by pressure and heat from deep inside the Earth
  16. 24. The innermost layer of the Earth
  17. 25. When gas is cooled to a liquid state
  18. 28. An underground cavity filled with magma
  19. 29. The hot substance that runs down a volcano
  20. 30. The valley between two faults
  21. 32. The process of liquid turning to gas
  22. 36. The third planet from the sun
  23. 38. The study of fossils
  24. 39. The angular distance north or south of the equator
  25. 41. Outer part of Earth consisting of the crust and upper mantle
  26. 42. A vast body of water
  27. 43. An area when one plate is pushed under another
  28. 46. Light-colored, course grained igneous rock
  29. 47. Smallest volcano
  30. 48. When a volcano that has not erupted for a while
  31. 53. Half of a sphere
  32. 54. A unit of weight
  33. 56. A volcano in Indonesia
  34. 59. Volcanic activity in which lava or gasses are released
  35. 60. A crack caused when lava erupts
  36. 61. Enormous chunks of rock floating atop the soft mantle