Plate tectonics

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Across
  1. 3. Plates that move away from each other
  2. 6. Openings where lava, rock, and steam erupt
  3. 7. When two plates slip past each other
  4. 9. Slab of solid rock on earths crust
  5. 10. Compactness of a substance
Down
  1. 1. The crust of the plate goes into the mantle
  2. 2. The ¨middle¨ of Earth surface
  3. 4. A single split tectonic plate
  4. 5. Plates that move towards each other
  5. 8. Plates that move against each other