tectonic

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Across
  1. 2. sudden violent shake
  2. 8. molten or semi-molten natural material from
  3. 9. hotter and more fluidly than the lithosphere
  4. 12. disturbance of the sea
  5. 16. An abrupt movement of soil and bedrock downhill
  6. 20. earth outer shell divided by large solid rocks
  7. 21. rock formed by high temperatures
  8. 22. Earth has a rigid outer layer, known as the lithosphere, which is typically about 100 km (60 miles) thick and overlies a plastic (moldable, partially molten) layer called the asthenosphere.
  9. 24. innermost layers of the Earth
  10. 28. plates are moving apart.
  11. 29. fault-bounded body of rock
  12. 30. Volcanic rock
  13. 32. tectonic plates characterized by thin basaltic
  14. 33. 5 to 70km from the layer of the earth
  15. 34. third layer of the earth
Down
  1. 1. A term that seismologists hate. tsunami
  2. 3. system used to measure the strength of an earthquake
  3. 4. Primary, longitudinal, irrotational, push,
  4. 5. plates are colliding
  5. 6. plates slide passed each other
  6. 7. rock formed through the cooling and solidification of magma or lava
  7. 10. rocky outer part of the earth
  8. 11. To bend or change direction.
  9. 13. used to take samples of sea-floor sediments.
  10. 14. a soli ball with a radius
  11. 15. To bounce back from a surface.
  12. 17. Molten rock
  13. 18. the point of the earth's surface
  14. 19. An area in the middle of a lithospheric plate where magma rises
  15. 23. rupture in the crust
  16. 25. A small tremor that commonly precedes a larger earthquake
  17. 26. circular depression containing a volcanic vent.
  18. 27. rock formed by the accumulation or deposition
  19. 31. a layer inside a planetary body