Las ciencias

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Across
  1. 2. chemistry
  2. 5. the biologist
  3. 9. the scientist
  4. 11. studies
  5. 12. the chemist
  6. 13. discovers
  7. 16. a new compound
  8. 17. the astronomer
  9. 19. does/makes
  10. 21. a new species
Down
  1. 1. biology
  2. 3. astronomy
  3. 4. writes
  4. 6. the physicist
  5. 7. a new planet
  6. 8. an experiment
  7. 10. physics
  8. 14. the mathematician
  9. 15. a formula
  10. 18. invents
  11. 20. a new machine