Active earth

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Across
  1. 4. line / a crack in earths crust created by movement of tectonic plates.
  2. 6. / the thinnest part of the earth that we live on
  3. 8. core / hottest part of the earth
  4. 9. volcano / A type of volcano that is rounded at the top
  5. 15. hole / a hole that occurs in the earth from a movement of tectonic plates
  6. 16. crust / the thinner type of crust
  7. 18. / when two tectonic plates move away from each other
  8. 19. / What happens when the volcano reaches a certain time
  9. 21. current / movement of magma in the mantle
  10. 22. / an earthquake that happens within a singular tectonic plate
  11. 23. / a piece of technology used to measure the power of earthquakes
  12. 26. / thickest part of the inner earth
  13. 28. / the word that is used where the earthquake exactly happens
  14. 30. core / second hottest part of the earth
  15. 32. crust / the thicker part of the earths crust
  16. 33. / hot liquid that comes
  17. 34. plate / The thing under the crust that moves our continents
  18. 38. plate / the plate that Australia is on
  19. 39. / a mountain that spews out hot lava and ash once every few years
  20. 40. / The way that plates move when mountains are formed
Down
  1. 1. flow / the flow of hot ash that can reach 100 mph
  2. 2. / the place on the crust of the earth that is exactly above the origin of the earthquake
  3. 3. / the way that plates collide to create an earthquake
  4. 5. / upper layer of the earth's mantle
  5. 7. / a type of volcano that is very tall and pointy
  6. 9. / when the oceanic plate gets forced up by continental plates
  7. 10. / name of former super continent
  8. 11. earthquake / earthquakes that involve two different plates
  9. 12. volcano / volcano that can still erupt
  10. 13. / a word to describe power of a earthquake E.G. 3.6
  11. 14. zone / cracks in an area of usually a shield volcano
  12. 17. volcano / a volcano that the top has eroded and become a bowl at the top
  13. 20. / when two tectonic plates rub against each other
  14. 24. / a layer of hot, semi-molten rock below the crust
  15. 25. floor spreading / when the floor of the sea separates.
  16. 27. wave / a wave not as powerful as a tsunami but is caused by the tide not the tectonic plates
  17. 29. activity / the phrase used to describe earthquakes or other earth vibrations
  18. 31. Wegener / name of the scientist who came up with the tectonic plate theory
  19. 35. / a large wave usually caused by a volcanoes and earthquakes
  20. 36. of fire / A ring around the pacific ocean where 75% of the worlds volcanoes are
  21. 37. scale / the way we measure earthquake shocks