Plate Tectonics Puzzle

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Across
  1. 5. major tectonic plate including much of the continent of eurasia
  2. 8. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate
  3. 11. major tectonic plate including much of south america
  4. 13. melted rock inside the mantle
  5. 17. mostly solid bulk of earths interior
  6. 18. major tectonic plate including much of antarctica
  7. 20. major tectonic plate including mostly north america
Down
  1. 1. hypothesis of alfred wegener
  2. 2. rigid layer of the earth's crust that drifts slowly
  3. 3. molten or partially molten rock that has been expelled from the interior of the earth
  4. 4. rupture in the crust of the earth
  5. 6. shaking of the earth's surface
  6. 7. major tectonic plate including eastern and largely southern hemospheres
  7. 9. major tectonic plate including much of africa
  8. 10. oceanic plate
  9. 12. underwater mountain range
  10. 14. the movement that causes hot less dense material to rise and cold denser material to sink
  11. 15. the amount per unit size
  12. 16. the last name of the person who first came up with the idea of plate tectonics
  13. 19. large scale processes affecting the structure of the earth's crust