States of Matter

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Across
  1. 3. Some light passes through it and some does not
  2. 4. What a solid does when you add heat
  3. 6. A particle that cannot be divided with everyday tools
  4. 9. A material that is not in the gas state and is not in the solid state
  5. 11. A material dissolved in a liquid
  6. 12. Oxygen is one of these
  7. 13. Something that has mass and takes up space
  8. 14. It keeps you from floating off into space
  9. 15. Something light cannot pass through
  10. 17. A new material formed when something combines with oxygen
  11. 18. The state of matter that has a fixed shape and a fixed volume
  12. 19. Something that has mass and takes up space
Down
  1. 1. The change from a gas to a liquid
  2. 2. What iron does when it reacts with oxygen
  3. 5. What water is doing at 212 degrees Celsius
  4. 7. How much matter is in something
  5. 8. How much space something takes up
  6. 10. Two pure materials scrambled together
  7. 16. Either an atom or a molecule