Mountains and Movement Vocab

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Across
  1. 3. volcano that has erupted at least once in the past 50 years
  2. 6. type of lava containing scoria which cools and builds up quickly
  3. 8. type of fault where hanging wall moves down with respect to footwall
  4. 10. volcano that is not expected to erupt again
  5. 11. sharp chunks of rock found in lava
  6. 13. type of volcano formed where subduction is occurring
  7. 15. type of lava forming a skin on top and allowing hot lava to flow beneath
  8. 17. rapid movement of the earth's crust
  9. 19. type of fault where hanging wall moves up with respect to footwall
  10. 21. type of volcano formed where rifting is occurring
  11. 22. location on the surface of the earth above the focus
  12. 25. type of mountains formed from debris
  13. 26. depression formed by downward pressure
  14. 28. when one tectonic plate slides over another
  15. 31. rock below a fault
  16. 35. two words; type of fault with a vertical crack and rocks move horizontally with respect to each other
  17. 37. two words; theory that the earth's crust is composed of several floating plates
  18. 38. type of mountains formed by erosion
  19. 39. formation due to upward pressure on one side and downward pressure on the other
Down
  1. 1. crack in the earth's crust
  2. 2. giant waves triggered by earthquakes
  3. 4. two words; type of volcano formed from mostly ash and cinders
  4. 5. type of volcano formed from mostly lava
  5. 7. smaller earthquakes occurring after a major earthquake
  6. 9. heat from inside the earth
  7. 12. type of volcano formed from alternating layers of lava and ash
  8. 14. crater or bowl-shaped depression at the mouth of a volcano
  9. 16. height of the summit of a mountain from sea level
  10. 18. two words; rock above a fault
  11. 19. when two tectonic plates move away from each other
  12. 20. downward formation due to sideways pressure
  13. 23. location of the origin of an earthquake
  14. 24. original landmass
  15. 27. two words; difference between the elevations of the summit and the base of a mountain
  16. 29. equipment used for detecting earthquakes
  17. 30. type of mountain formed by the movement of tectonic plates
  18. 32. volcano that has not erupted in the past 50 years but could erupt again
  19. 33. three words; when two plates move horizontally against each other
  20. 34. formation due to upward pressure
  21. 36. upward formation due to sideways pressure