Plate Tectonics

1234567891011121314151617181920
Across
  1. 2. Planets thinnest layer, rocky outer layer from the top part of the lithosphere
  2. 6. A thick layer of silicate rock between the crust and the outer core
  3. 8. Vibrations that travel through the Earth
  4. 11. The point on the Earths surface directly about the focus of an earthquake
  5. 15. crust The thick less dense layer of Earth's outer shell
  6. 16. Physical field produced by moving electric charges or magnetic materials
  7. 19. The theory that Earths continents have moved over geologic time
  8. 20. Type of fault where two plates slide horizontally past one another
Down
  1. 1. Process by which new oceanic crust is formed at divergent plate boundaries
  2. 3. Waves that cause side to side shaking
  3. 4. Inner most layer of the planet
  4. 5. Transfer of heat by the movement of a fluid
  5. 7. The place where two or more tectonic plates meet
  6. 8. Process by which one tectonic plate moved under another and sinks into the matle
  7. 9. The thick less dense layer of earths outer shell
  8. 10. The theory that Earths continents have moved over geologic time
  9. 12. The fastest seismic waves originating from earthquakes
  10. 13. The process by which a continent is pulled apart, forming a rift
  11. 14. Process by which heat is directly transmitted through a substance
  12. 17. The thin dense layer of earths surface that lies beneath the oceans
  13. 18. Deep, narrow depression in the seafloor