Earth Vocab Marwan Boutros

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Across
  1. 4. a natural rapid shaking caused by the release of energy
  2. 7. the rock is solid
  3. 8. the least dense layer of earth
  4. 10. molten rock
  5. 11. outermost layer of Earth's lithosphere
  6. 13. this theory said that continents once existed as one huge supercontinent
  7. 16. layer of solid silicate rock
  8. 17. this layer contains the convection currents
  9. 19. user layer of something
  10. 21. rounded volcanic rocks
  11. 22. magnetic orientation is recorded in new oceanic crust created by this process
  12. 24. this theory states that earths lithosphere is broken up into sections or pieces
  13. 25. hottest and densest layer
Down
  1. 1. the rigid brittle outer shell of Earth
  2. 2. this happens when two plates of different destinies converge
  3. 3. this theory is broken up into supe big continents
  4. 5. curved linear chain of volcanoes formed above a subducting tectonic plate
  5. 6. uses underwater sound pulses to detect
  6. 9. a black mineral
  7. 12. this is the scientist that had his first theory rejected
  8. 14. a type of rock that records earths magnetic polarity at the time it forms
  9. 15. the study of earths magnetic polarity
  10. 18. the Earth's longest underwater mountain system
  11. 20. a supercontinent that assembled during the Paleozoic Era
  12. 23. the liquid layer of earth