2.1: Structure of the Earth

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Across
  1. 6. name of the land mass when all the continents were “connected”
  2. 7. most abundant element in the earth’s crust
  3. 8. fault that occurs when rocks on one side are shoved on top of the rocks on the other side
  4. 12. central part of the earth
  5. 14. this boundary marks the bottom of the mantle
  6. 17. fault that often results in a cliff
  7. 18. mountains thought to have formed when the edges of two adjacent rock layers were pushed together
  8. 19. a region of the earth’s crust and upper mantle; the 8 large plates and several smaller ones compose it
  9. 20. everything we know about what lies beneath the crust has to be derived from the study of _________waves
  10. 21. fracture zone
  11. 22. part of the core that is thought to be solid
  12. 24. rocks that buckle upward
  13. 25. scientists who study the earth
  14. 27. region between the crust and the mantle
  15. 28. these mountains form when molten rock erupts from a hole in the earth’s crust
  16. 29. rocks that buckle downward
  17. 31. elevated land masses that are higher than hills
  18. 32. forms by the bending or buckling or rocks under great force
Down
  1. 1. geologists believe the earth’s crust is made of _______and not one piece of solid rock
  2. 2. earth’s outer layer
  3. 3. part of the core that is liquid
  4. 4. tallest mountain on earth
  5. 5. middle layer of the earth
  6. 9. the deeper you go in the earth, the ____the temperature becomes
  7. 10. where the upper mantle merges into the lower mantle
  8. 11. fault that occurs when rocks along one side of a fault move horizontally along the fault
  9. 12. the crust’s_____varies depending on whether the crust underlies the continents or the ocean
  10. 13. mountains thought to have formed along a fault
  11. 15. theory of plate_____was published by creationist Snider-Pelligrini
  12. 16. the great ____in Genesis 7 and 8 is undoubtedly responsible for most of the earth’s present features and fossils
  13. 18. push or pull
  14. 23. study of the earth
  15. 26. deposits of sand, mineral fragments, or organic materials usually left by wind or water
  16. 30. mountains that appear to form when molten rock is forced beneath an overlying rock layer