Plate Tectonics Vocabulary Crossword Puzzle

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Across
  1. 3. Where two plates slide (2 words)
  2. 7. the process by which one tectonic plate is pulled beneath another plate
  3. 9. the hotter, softer part of the upper mantle
  4. 12. A theory stating that the earth's surface is broken into plates that move (2 words)
  5. 14. Where two plates divide (2 words)
  6. 15. A gap that is formed where two continental plates divide (2 words)
  7. 18. a bending of a wave
  8. 19. The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations (2 words)
  9. 21. the middle layer made of hot, rigid rock
  10. 23. what scientists use to determine the composition of Earth's layers (2 words)
  11. 24. where the most dense materials are located inside the Earth (2 words)
  12. 25. wave that moves the ground up and down or side to side, can only go through solids
  13. 26. An area where a plume of magma comes up from the mantle, heating the crust above it, and sometimes causing volcanic activity (2 words)
  14. 27. where magma comes up to make new crust (2 words)
Down
  1. 1. fastest wave, can travel through any state of matter
  2. 2. type of wave that does the most damage to Earth's surface
  3. 4. layer of liquid iron and nickel (2 words)
  4. 5. the crust and rigid part of the mantle
  5. 6. movement of matter that results from differences in density (2 words)
  6. 8. the bouncing of a wave
  7. 10. Where two plates collide (2 words)
  8. 11. Stress that pulls
  9. 13. Stress that presses
  10. 16. Evidence shown on the sea floor where North and South poles switch (2 words)
  11. 17. Where old ocean crust sinks back into the asthenosphere (3 words)
  12. 20. the process where new sea floor is made and old crust is destroyed (2 words)
  13. 22. Stress that scrapes