Mountain Landscapes

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Across
  1. 4. landform less than 1000 metres
  2. 5. high _____________ volcanoes are found near convergent plate margins
  3. 6. the opening of a volcano where the main volume of lava and ash escapes
  4. 7. molten rock above the earth's surface
  5. 8. very large pieces of molten rock that erupt from a volcano
  6. 12. this type of mountain is formed due to erosional activity
  7. 13. Australia is found on this tectonic plate
  8. 17. the Ring of Fire is a zone of _____________
  9. 19. name of the second layer of the earth, after the crust
  10. 20. height above which is defined as a mountain
  11. 22. name given to the type of volcano which has low viscosity lava
  12. 23. name given to the release of gas, ash, lava and rock from a volcano
  13. 25. folded mountain chain on west coast of North America
  14. 26. landform found at zone of convergence, deep ocean floor
  15. 30. study of the movement of the earth's plates
  16. 33. plates below the oceans
  17. 34. slow ____________ in the mantle move the tectonic plates
  18. 35. the 'pipe' through which the magma in the volcano escapes to the surface
  19. 36. area of extreme heat in the mantle, away from plate margin
  20. 37. world's tallest mountain
  21. 38. the crust is thin and __________
  22. 39. a convergent plate margin where over half the world's active volcanoes are found
Down
  1. 1. in Aboriginal legend, this mountain was the father in the Glasshouse Mountains group
  2. 2. the percentage of the earth's surface formed due to vocanic activity
  3. 3. mixture of rock debris, lava and water resulting from volcanic eruption
  4. 6. magma ______________ is the reservoir of molten rock below the surface of a volcano
  5. 9. __________ lava has a high silica content
  6. 10. country with the tallest mountains, measured from the sea floor
  7. 11. group of volcanic mountains near Brisbane formed due to a hotspot about 25 million years ago
  8. 14. plate margin where plates are moving apart
  9. 15. mountains that form when rock layers are subject to lateral pressure but being cooler and brittle will crack
  10. 16. these landscapes make up 1/4 earth's surface
  11. 17. plates below the continents
  12. 18. plate margin where plates are moving past each other
  13. 21. the original 'supercontinent' before the plates split
  14. 24. mountains that form when rock layers that are very hot and when subject to lateral pressure bend (not crack)
  15. 27. example of fault mountain range in Germany
  16. 28. tallest fault block mountain in the world
  17. 29. most of the world's mountains are where 2 plates __________
  18. 31. molten rock below the earth's surface
  19. 32. severe volcanic eruption in 1980 occurring due the Pacific and North American plates converging, in USA