Plate Tectonics

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Across
  1. 3. Convergent boundaries create this feature.
  2. 7. Ash, cinder, rocks, gases, and bombs that are considered lava is termed this.
  3. 10. One of the Earth's cores that is made of liquid.
  4. 11. The measure of a material (lava or magma) resistance to flow.
  5. 12. Transform boundaries create this feature.
  6. 14. Type of currents that make continents move.
  7. 18. Last name of the man who developed the theory of continental drift.
Down
  1. 1. Divergent boundaries create this type of stress.
  2. 2. Plate boundary where the plates slide against each other.
  3. 3. The thickest layer of the Earth.
  4. 4. Convergent boundaries create this type of stress.
  5. 5. Transform boundaries create this type of stress. Ridge: Divergent boundaries create this feature.
  6. 6. The thinnest layer of the Earth.
  7. 8. Plate boundary where the plates move towards each other.
  8. 9. Plate boundary where the plates move away from each other.
  9. 13. Last name of the man that developed the theory of seafloor spreading.
  10. 15. Found at convergent boundaries where ocean crust subducts.
  11. 16. This is where seafloor is destroyed.
  12. 17. This is where new seafloor is formed.