Tectonic Plates Crossword

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Across
  1. 3. / a crack or fracture in the earths crust that is associated with movement
  2. 5. Wegner / the scientist who named Pangaea
  3. 9. Arc / a arc shaped chain of volcanoes formed above a subduction zone
  4. 12. Boundary / when two plates are moving apart/away from each other
  5. 14. / the solid outer section of Earth
  6. 15. / molten rock, gases, and solid crystals and minerals
  7. 16. Boundary / when two plates grind against each other to make an earth quake
  8. 18. / the rocky inner layer above the core
  9. 19. Core / the only liquid layer of earth
  10. 20. / the out come of two continental plates diverge
Down
  1. 1. Arcs / the out come of when two oceanic plates collide, and the older plate it forced under the younger one
  2. 2. / a vent in the earths surface through which magma and gases erupt
  3. 4. / a steep-sided depression in the ocean floor
  4. 6. / when the continents on earth used to be connected in one big piece of land
  5. 7. boundary / when two plates are pushing towards each other
  6. 8. Zone / the area where one plate is being pulled under the edge of the other
  7. 10. Crust / the earth's crust the makes up the continents
  8. 11. / where two plates meet
  9. 13. Tectonics / a theory that Earth's outer shell is divided into several plates that move over the mantle, the plates act like a hard and rigid shell
  10. 17. / a high, large mass of earth and rock that rises above the earth's surface with steep or sloping sides