Noah's tectonic plate vocab

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Across
  1. 4. not smooth
  2. 5. new crust on ocean floor
  3. 6. undersea valley; deepest part of ocean
  4. 8. sound waves
  5. 10. lower mantle
  6. 11. drift the continents moved away from each other
  7. 14. sinking movement of ocean floor back into the mantle
  8. 17. the 2nd layer of the earth
  9. 20. a molten mixture of rock forming
  10. 21. states that earth's lithosphere is broken up into sections
  11. 23. a rock made of multiple materials
  12. 24. top layer of the earth
  13. 25. are dark-colored formed from lava
Down
  1. 1. waves that help show the composition of the earth
  2. 2. liquid layer of earth
  3. 3. hot metal liquid
  4. 7. the shaking from movement in earth's crust
  5. 9. a dense crust found a the bottom of the ocean
  6. 12. crust on surface
  7. 13. feature of divergent
  8. 15. move continents across earth at slow speeds
  9. 16. Plates move apart
  10. 18. this boundary slides past one another
  11. 19. a supercontinent made of current continents
  12. 22. hottest and densest layer of earth