Plate Tectonics

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Across
  1. 2. Layer of rock that forms Earth’s outer skin
  2. 6. move apart
  3. 9. Rigid layer formed by the crust and the uppermost part of the mantle
  4. 11. The type of boundary where two
  5. 12. in constant, slow motion
Down
  1. 1. Part of the mantle just beneath the lithosphere
  2. 3. Kind of rock that makes up most of the continental crust
  3. 4. Area where magma from deep within the mantle melts through the crust
  4. 5. Trace of an organism that has been preserved in rock
  5. 7. Force that adds potential energy to rock until the rock changes shape or breaks
  6. 8. tectonics Geological theory that Earth’s plates
  7. 10. core Layer of molten metal that surrounds Earth’s inner core