Science Crossword

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Across
  1. 3. this reacted with down 17 creates water + salt
  2. 5. substance that increases the rate of a reaction without itself being consumed
  3. 8. biological counterpart of down 1
  4. 10. device used to alter potential difference of an alternating current
  5. 11. this occurs at across 14
  6. 12. coca cola and lemon is both a common representative of this
  7. 16. reaction which consumes the thermal energy from its surrounding
  8. 17. Plants go through this process 24/7 to gain energy
  9. 18. the smallest unit of ordinary matter that forms a chemical element
  10. 19. 6.02*10^23 units of a certain substance
Down
  1. 1. cell division where two daughter cells produced has same number and kind of chromosomes as the parent nucleus
  2. 2. across 4 with different mass number
  3. 4. type of wave which does not require a medium to travel
  4. 6. charged atoms
  5. 7. 'smart' scientific term for rotting
  6. 9. type of wave which requires a medium to travel
  7. 13. electrode of an electrochemical cell which is charged negatively
  8. 14. quantity with magnitude but no direction
  9. 15. quantity with magnitude and direction