Plate Tectonics

123456789101112131415161718192021222324252627282930
Across
  1. 4. a break in a rock with movement
  2. 5. concentration of heat in the mantle
  3. 8. device for recording waves
  4. 12. a break in a rock without movement
  5. 13. outer portion of the earth
  6. 15. two plates slide past
  7. 16. science that study the earth
  8. 17. central part of the earth
  9. 19. chain of volcanoes
  10. 20. denser and thin crust
  11. 23. group of mountains
  12. 24. less dense and thicker crust
  13. 25. The outer part of the Earth consisting of the crust and upper mantle
  14. 28. two plates move apart
  15. 29. first type of seismic wave
  16. 30. center point of the earthquake
Down
  1. 1. part of the earth between the core and the the crust
  2. 2. shaking of the surface of the Earth
  3. 3. process or the bending of crust towards mantle
  4. 6. consolidated mixture of minerals
  5. 7. method uses distance to locate epicenter
  6. 9. theory as resulting from the interaction of rigid lithospheric plates that move slowly
  7. 10. upper layer of the earth's mantle, below the lithosphere
  8. 11. central valley on an ocean floor
  9. 14. geologic feature in convergent
  10. 18. A long, narrow valley lying between two normal geologic faults
  11. 21. two plates collide
  12. 22. second type of seismic wave
  13. 23. molten rock
  14. 26. depression in the seafloor produced by subduction
  15. 27. transfer of energy that travels through a medium