Quarter 1 Crossword

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Across
  1. 1. two or more atoms together
  2. 3. matter cannot be __ or destroyed
  3. 4. said Democritus was wrong
  4. 9. center of atom
  5. 12. thought about putting a cat in a box
  6. 14. discovered electron
  7. 16. "jimmy neutron"
  8. 17. sweet tea is this type of mixture
Down
  1. 2. periodic table of the ____
  2. 5. educated guess
  3. 6. logical assumption
  4. 7. gravity's affect on mass
  5. 8. Heisenberg's principle
  6. 10. weight, color and melting point are __ properties
  7. 11. positive charge
  8. 13. charge of electron
  9. 15. study of matter & its changes