the science crossword

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Across
  1. 6. a mechanical wave of energy that travel through earth
  2. 7. the main that comes out a volcano when it erupts
  3. 10. the outermost layer of earth
  4. 14. where two plate boundaries meet and collide
  5. 15. a hot mixture of volcano partials
  6. 16. where the center of the earth is
  7. 17. is when the earth shakes
Down
  1. 1. where two plate boundaries slip and slide against each other
  2. 2. the place where the volcano holds most of its lava
  3. 3. the thing what erupts magma
  4. 4. where the earth is divide from
  5. 5. is where the strongest place of the earthquake is
  6. 8. after the prime earthquake
  7. 9. where two plate boundaries separate
  8. 11. when a volcano has no more lava in its chamber
  9. 12. the biggest part of the earth layers next to the crust
  10. 13. where is the liquid part of the earth layers are