Plate Tectonics Features Crossword Puzzle

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Across
  1. 3. giant cracks in a rock formed by compression or tension
  2. 6. the rocky part of the crust and upper mantle
  3. 8. formed by a divergent boundary on land
  4. 9. a place where lava erupts and forms some mountains
  5. 11. the place where convection currents are happening
  6. 12. when one plate slides beneath another
  7. 15. plate boundary where plates slide parallel
  8. 16. formed when undersea earthquakes push water upwards
  9. 18. formed where magma upwells from a convection current
Down
  1. 1. the type of crust that is thicker
  2. 2. formed when two continental plates collide
  3. 4. the place where old crust is destroyed, deep in the ocean
  4. 5. the type of plate boundary that is at the mid-ocean ridge
  5. 7. the type of plate boundary where plates come together
  6. 10. a vibration of earth's crust caused by plate movement
  7. 13. the less dense and thinner crust
  8. 14. Japan and the Aleutian islands are an example. Formed when subducted crust melts and rises as volcanoes
  9. 17. happens when rocks are slowly compressed over time