Plate Tectonics

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Across
  1. 5. a boundary where the crust moves sideways past each other
  2. 7. plates that are formed by divergent plate boundaries
  3. 9. patterns of heat in the magma believed to be the force between plate movement
  4. 11. v-shaped valleys that are the deepest part of the ocean where subduction occurs
  5. 13. the movement of the oceanic crust at the divergent boundary
  6. 14. the name of the supercontinent that broke apart millions of years ago
  7. 15. on of the large pieces of the surface of the earth that moves separately
  8. 16. large scale processes affecting the structure of the earth's crust
Down
  1. 1. the uppermost solid part of the earths crust
  2. 2. a boundary where the crust moves away from each other
  3. 3. the outermost shell of a plate
  4. 4. a long mountain range on the ocean floor
  5. 6. the process when the crust pushes downward into the mantle at a fault line.
  6. 8. a boundary where the crust moves towards each other
  7. 10. pieces of the earth's crust and uppermost mantle
  8. 12. a large segment of the earth's crust that slowly moves