Crossword Choice Project

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Across
  1. 4. continental drift means all continents were once ___ together
  2. 6. These boundaries move together
  3. 8. oceanic-oceanic convergent boundaries can form ___
  4. 10. __ means "all land"
  5. 11. continental-continental convergent boundaries make __
  6. 13. An example of continental-continental convergent boundaries are the ____ mountains
  7. 14. Divergent boundaries move ___
  8. 18. Convergent plates move ___
  9. 19. transform boundaries can cause ___
  10. 20. the rigid, solid, outermost rocky shell of Earth
Down
  1. 1. oceanic-continental convergent boundaries can cause ___ mountains
  2. 2. ___ currents is the cycle of heat rising, cooling, and sinking
  3. 3. Wegner made up the theory of ____ drift
  4. 5. Mid-Atlantic ridges are formed by this type of boundary
  5. 7. the mechanically weak, ductile, and semi-fluid layer of Earth's upper mantle that lies directly beneath the rigid lithosphere
  6. 9. less dense oceanic plate ____ under less dense continental plate
  7. 12. scientists who rejected Wegner and refused to believe that the continents dried were referred to as ___
  8. 15. oceanic-continental convergent boundaries can make trenches or ____
  9. 16. Outer layer of the earth
  10. 17. when two plates slide past each other in different directions