Puzlethon

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Across
  1. 3. the longest bone in o
  2. 4. the word that
  3. 6. used to suck solution
  4. 11. used to indicate
  5. 12. the sentenc
  6. 15. a shape
  7. 16. chemistry
  8. 17. the organism in ocean
  9. 19. particle
  10. 20. wher
Down
  1. 1. the distace
  2. 2. filament used in
  3. 5. scientist
  4. 7. molecules
  5. 8. father of maths
  6. 9. father of cs
  7. 10. the bridge
  8. 13. alters the speed of
  9. 14. organism feed milk
  10. 18. the first android phone