Layers of the Earth and Tectonic Plates Crossword Puzzle

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Across
  1. 5. What do you call the area where one tectonic plate sinks beneath another?
  2. 8. What is another name for the crust?
  3. 9. What is the term for how rocks behave under stress?
  4. 11. What process creates new seafloor?
  5. 12. Continental drift is caused by ________ ______
  6. 13. What is the first compositional layers of the earth?
  7. 14. What do you call a boundary where plates move towards each other?
  8. 16. What is another name for a rift?
  9. 20. What do you call a boundary where two plates move apart?
Down
  1. 1. What do you call the layers of the earth with four layers?
  2. 2. What do you call the outermost layer of the core?
  3. 3. What is the term for directed stress that squeezes rocks together?
  4. 4. What do you call a boundary where plates slide past each other and cause earthquakes?
  5. 6. What is the second mechanical layer of the earth?
  6. 7. What theory explained Continental drift and seafloor spreading?
  7. 10. What is the third compositional layers of the earth?
  8. 13. What do you call the theory that said the continents were moving?
  9. 15. What do you call the layer that should be liquid but is solid due to pressure from other layers?
  10. 17. What do you call the lower level of the mantle?
  11. 18. What percent of the earth does the crust take up?(In word form)
  12. 19. What is the second compositional layers of the earth?