Plate Tectonics

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Across
  1. 2. The thickest layer on the Earth
  2. 3. The thinnest and outermost layer on the Earth
  3. 5. The man who introduced the idea of Pangea
  4. 6. A giant mountain that erupts lava
  5. 8. When 2 plates slide AWAY from each other
  6. 9. The rigid outer part of Earth
  7. 10. When 2 plates grind AGAINST each other
Down
  1. 1. The upper layer of the mantle
  2. 4. A giant wave caused by seismic activity
  3. 7. When 2 plates slide TOWARDS each other