Plate Tectonics Crossword 1

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Across
  1. 2. A divergent boundary with two oceanic plates makes…
  2. 3. Two continental plates colliding, will form…
  3. 8. Superposition means ____________ are on the bottom.
  4. 9. The mid-ocean ridge is best associated with a ___________________boundary.
  5. 11. The _______________ is the outermost layer.
  6. 12. Oldest layers on the bottom, newest layers on top.
  7. 14. Large landmass that included all continents.
  8. 15. A _____________formed at a divergent boundary on land.
  9. 16. _________explains the movement of Earth's plates?
  10. 17. Plates moving away from each other are…
Down
  1. 1. ________ in the mantle move the tectonic plates.
  2. 2. The layer convection currents occur is the…
  3. 3. Convection currents from the _____________ cause movement of tectonic plates.
  4. 4. A__________________boundary creates mountains.
  5. 5. _________________boundaries form volcanic islands or mountains.
  6. 6. A____________plate boundary causes earthquakes.
  7. 7. The layer, the _____________ makes up the tectonic plates.
  8. 10. Identical ________________on different continents supports the Theory of Continental Drift.
  9. 13. A _______ is formed at a convergent boundary between an oceanic plate and a continental plate.