Geology Vocab

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Across
  1. 2. created by seafloor spreading
  2. 3. The crust is made up of ______
  3. 6. ______ is when a plate slides under another plate
  4. 8. boundary where two plates drift
  5. 11. mass of a substance
  6. 12. Hottest layer of the Earth
  7. 14. top of the mantle
  8. 15. boundary where two plates collide
Down
  1. 1. evidence: fossils, coastlines, etc.
  2. 4. The large piece of land that the continents used to be part of was called _______
  3. 5. boundary where plates slide past each other
  4. 7. We live on the ______
  5. 9. ______ currents take place in the mantle
  6. 10. Convection Currents take place in the ______
  7. 13. the top of the mantle is called _____