science crossword

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Across
  1. 4. something around the pacific that has volcanos
  2. 5. the first layer of the earth
  3. 7. a mountain with magma in it
  4. 8. when the plates move towards eachother
  5. 11. a sudden shake in the ground
Down
  1. 1. the things that cause a earthquake
  2. 2. boundary when plates move away from eachother
  3. 3. lowland region where the plates move apart
  4. 6. the last layer of the earth
  5. 9. where plates move past towards eachother
  6. 10. the opening of the ground