Unit 1 Science Crossword- Athena

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Across
  1. 4. Negatively charged particle
  2. 6. pure substance that cannot be broken down
  3. 11. A well-mixed mixture; you cant see parts
  4. 12. two or more substances, not chem bonded
  5. 14. where heat is absorbed; cold around
  6. 15. positively charged particle
Down
  1. 1. two or more atoms bonded together
  2. 2. A mixture where you can't see parts
  3. 3. The answer to mass/volume
  4. 5. outer shell of atom; helps with bonds
  5. 7. where heat is released; warmer around
  6. 8. two or more elements bonded together
  7. 9. neutrally charged atoms
  8. 10. horizontal row on the periodic table
  9. 13. vertical column on the periodic table