Plate Tectonics Crossword

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Across
  1. 2. waves / waves produced by earthquakes
  2. 3. crust / the type of crust that makes up the seafloor
  3. 4. / a sudden discharge of water from beneath the Earth's surface
  4. 6. / a process in which a tectonic plate is pushed down into the mantle
  5. 9. crust / the type of crust that makes up the continents
  6. 12. / this is made up of the upper and middle mantle
  7. 14. / molten rock in the Earth's crust
  8. 17. plates / the large pieces of the crust that float atop the mantle
  9. 19. / the element that makes up most of the core
  10. 20. / the thickest layer of the Earth
Down
  1. 1. boundary / a location at which two tectonic plates separate
  2. 5. boundary / a location at which two tectonic plates come together
  3. 7. currents / a type of movement in the mantle that cause the tectonic plates to move
  4. 8. / this is made up of the crust and upper mantle
  5. 10. / the element that the mantle has, but the crust doesn't
  6. 11. / the supercontinent on which the dinosaurs lived
  7. 13. boundary / a location at which two tectonic plates slide against each other
  8. 15. / a rupture in the crust that allows magma and gases to escape the upper mantle
  9. 16. core / the layer of the Earth made up mostly of iron in liquid state
  10. 18. core / the hottest layer of the Earth