Matilde Pozzebon and Corradini Andrea

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Across
  1. 3. it emights lights
  2. 4. what is our natural satellite?
  3. 7. is the subject used by the astronomer
  4. 9. is an astract idea
  5. 10. where do we live?
  6. 11. element in the 14th group and 2nd periond
  7. 15. is a big astronomicalò object
  8. 18. ther is a table for it
  9. 19. atoms that have a charge
  10. 20. it's the star of the solar system
Down
  1. 1. what is oxygen?
  2. 2. he discover gravity
  3. 5. element in the 16th group and 2nd period
  4. 6. is a part of the atom that have no charge
  5. 8. it can be natural or artificial and it orbit around the planet
  6. 12. fusion (7,6) is something that happend inside the sun
  7. 13. is the center of a atom
  8. 14. mixture (11,7) is a mixture whre you can't see the substances inside
  9. 16. planet (5,6) what is the scientific name for pluton
  10. 17. is the sixth planet of our solar sistem