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