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