Plate Tectonics

1234567891011121314151617181920
Across
  1. 5. / the name of the super continent 200 million years ago
  2. 6. / occurs when continental and oceanic plates converge creating pressure and heat erupting on the surface
  3. 8. / huge amounts of water displaced onto land due to movement of plates carrying debris onto land
  4. 11. / the malleable layer of which tectonic plates can drift above it
  5. 13. / the name of the active volcano located in Italy Naples famous for the destruction of Pompeii in 79 AD
  6. 14. / the earth is layered according to ____________
  7. 15. / the boundary in which two plates move away from each other
  8. 16. / the point on the earth's surface vertically above the focus of an earthquake
  9. 18. / the uppermost thinnest layer of the earth
  10. 19. / the boundary in which earthquakes happen the most
Down
  1. 1. / the name of the Californian fault line
  2. 2. / the molten rock from beneath the surface of the earth within the asthenosphere
  3. 3. / the number scale of how powerful or catastrophic an earthquake is
  4. 4. / contains the crust and a part of the upper mantle
  5. 7. / the boundary of which two tectonic plates move towards each other
  6. 9. / the scientist who developed the theory of continental drift
  7. 10. / the thickest layer of earth, contains the asthenosphere and part of the lithosphere
  8. 12. / the process of the oceanic plate sliding under an continental plate
  9. 17. / the very middle of the earth
  10. 20. / _____________ waves measure the frequency of an earthquake