Layers of the Earth: Tectonic plates

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Across
  1. 2. a violent shaking of the ground
  2. 5. a prehistoric squirrel
  3. 12. broken up pieces of the lithosphere
  4. 15. the super continent that existed 250 million years ago
  5. 16. boundary that occurs when tectonic plates are moving apart.
  6. 17. the earths layer consisting of hot solid metals.
  7. 18. the energy built up that maybe released when the plates move
  8. 19. the earth's layer that consists of cool rock on the outside of earth
Down
  1. 1. a crack in the earths crust.
  2. 3. the earth's softer rocker below the lithosphere
  3. 4. the thicker less dense crust that is on top of oceanic crust.
  4. 6. boundary that occurs when tectonic plates are moving apart.
  5. 7. the amont of matter in a certain amount of space.
  6. 8. the earth's rigid crust and top of the mantle
  7. 9. a thinner more dense crust that goes under continetal crust.
  8. 10. scientists that study earthquakes
  9. 11. the earths layer consisting of hot solid liquids.
  10. 13. The earths thickest layer
  11. 14. boundary that occurs where tectonic plates are sliding past one another.