Earth's Structure

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Across
  1. 3. Plates that are grinding against each other
  2. 4. The thin layer on the outside on the Earth
  3. 6. Plates that are moving toward each other
  4. 9. Plates that are moving apart
  5. 10. A large piece of crust that moves slowly
  6. 11. The line where two plates meet
Down
  1. 1. The layer under the crust that moves
  2. 2. It is formed at divergent boundaries
  3. 5. A ring of volcanoes around the Pacific Ocean
  4. 6. A current created by heat in the mantle
  5. 7. Melted rock under the surface of the Earth.
  6. 8. The hard metal ball at the center of the Earth