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Plate Tectonics

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Across
  1. 2. hole in the ground, not just mountains (7 letters)
  2. 3. core:the inner-most part of the earth (5,4 letters)
  3. 5. appears, one section rises over the other (7 letters)
  4. 8. appears, one section drops (6 letters)
  5. 9. appears due to sideways movement, one section moves relative to the other (6,4 letters)
  6. 11. Tectonics (5 letters)
  7. 12. mantle:the ______ part of the mantle (5,6 letters)
  8. 13. outer layer of the earth (5 letters)
  9. 15. material beneath or within the earth’s crust, from which igneous rock is formed (5 letters)
  10. 17. volcano has many ________ (7 letters)
  11. 18. molten, fluid rock that issues from a volcano or volcanic vent (4 letters)
  12. 19. mantle:the ______ part of the mantle (5,6 letters)
Down
  1. 1. rocks break under pressure (8 letters)
  2. 4. (9 letters)
  3. 6. series of vibrations induced in the earth’s crust (10 letters)
  4. 7. rock:rocks formed by the cooling and solidifying of molten materials (7,4 letters)
  5. 10. __________ of a volcano (8 letters)
  6. 14. drifts:is the movement of the Earth’s continents relative to each other by appearing to drift across the ocean bed. (10,6 letters)
  7. 16. crust:is the part of Earth’s lithosphere that surfaces in the ocean basins (7,5 letters)