States of Matter

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Across
  1. 2. Transition of gas to plasma
  2. 4. Matter that is rigid with a fixed volume
  3. 5. Atoms connected by chemical bonds
  4. 7. Matter with charged atoms, no fixed shape, and no fixed volume
  5. 9. Transition of gas to liquid
  6. 10. Negatively-charged part of an atom
  7. 13. The smallest unit of matter with the properties of an element
  8. 14. slow transition of liquid to gas
  9. 15. transition of liquid to solid
Down
  1. 1. Anything that has mass and takes up space
  2. 3. Matter that cannot be broken down into simpler substances
  3. 5. Transition of solid to liquid
  4. 6. matter that has a fixed volume but no fixed shape
  5. 7. Positively-charged part of an atom
  6. 8. matter that has no fixed shape and no fixed volume
  7. 11. molecule made from different elements
  8. 12. Transition of liquid to gas by boiling
  9. 14. Enables matter to change state