Earth science

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Across
  1. 4. the movement of the earth's crust
  2. 8. lets gas and liquid through it
  3. 9. a part of an atom with neutral charge
  4. 10. the result after a star collapses
  5. 12. a living object that can function on its own
  6. 13. when two atoms fuse together
  7. 14. the patha celestial body follows
Down
  1. 1. lowest temperature possible
  2. 2. someone who studies planets and space
  3. 3. a cloud of dust in space
  4. 5. erosion by friction
  5. 6. a celestial body made of rock
  6. 7. a rock formed by clay
  7. 8. a celestial body that orbits a sun
  8. 11. rain when gas emissions combine with water