Ch. 7 Crossword Puzzle

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Across
  1. 7. the soft layer of the mantle on which tectonic plates move
  2. 8. drift- the hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations
  3. 10. plates- a block of lithosphere that consists of crust and the outer core
  4. 12. the bending of rock layers due to stress
  5. 14. the rising of regions of the Earth's crust to higher elevations
  6. 15. the strong, lower part of the mantle between the asthenosphere and the outer core
Down
  1. 1. boundary- the boundary formed by by the collision of 2 lithospheric plates
  2. 2. the sinking of regions of the Earth's crust to lower elevations
  3. 3. tectonics- the theory that explains how large pieces of Earth's outermost layer, tectonic plates, move and change shape
  4. 4. layer of rock bewteen the Earth's crust and core
  5. 5. boundary- the boundary between tectonic plates that slide past each other horizontally
  6. 6. stress that occurs when forces act to squeeze and object
  7. 9. stress that occurs when forces act to squeeze an object
  8. 11. thin and solid outermost layer of the Earth above the mantle
  9. 13. boundary- the boundary bewteen 2 tectonic plates moving away from each other