Plate Tectonics Crossword

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Across
  1. 2. primary wave
  2. 5. forms at a divergent and a subduction zone
  3. 6. plates move apart
  4. 8. The middle layer of the Earth
  5. 9. interruptions that cut through the rock; the interruption is younger than the rock it is cutting into
  6. 15. made up of the crust and uppermost mantle
  7. 16. A portion of the mantle which underlies the lithosphere
  8. 17. plates slide past each other
  9. 19. The idea that the continents move
  10. 20. The sequence of rocks that the oldest go to the bottom and the youngest go on the top
Down
  1. 1. Ring of Fire
  2. 2. A theory that states that the Earth's lithosphere is broken into plates that movie over the crust and upper mantle of the Earth
  3. 3. When the crust is recycled into the Earth's mantle
  4. 4. A proposed " super-continent"
  5. 7. Is an example of a transform boundary
  6. 10. Sedimentary rocks that are horizontal when originally distributed
  7. 11. secondary wave
  8. 12. The actual plates that move across the Earth
  9. 13. Mostly occur at Transform boundaries
  10. 14. The man who had the theory of Continental Drift
  11. 18. Result of a convergent boundary