States of Matter

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Across
  1. 3. Water in its gas state
  2. 4. A substance with a fixed shape and volume
  3. 5. A change of state from liquid to solid
  4. 7. Any substance that takes up space and has mass
  5. 8. Able to be squeezed into a smaller space
  6. 12. A change of state from solid to gas
  7. 16. Unable to be squeezed into a smaller space
  8. 18. A change of state from liquid to gas at the surface of a liquid
  9. 19. Unable to bend, flow or change shape
Down
  1. 1. A change of state from liquid to solid
  2. 2. A change of state from gas to solid
  3. 6. A change of state from gas to liquid
  4. 9. A change of state from solid to liquid
  5. 10. Able to flow and change shape
  6. 11. A rapid change of state from liquid to gas, with vigorous bubbling
  7. 13. A substance with no fixed shape or volume
  8. 14. “______” model: The idea that all matter is made up of tiny particles
  9. 15. A substance with a fixed volume that flows and changes shape
  10. 17. “_____” of matter: One of the forms that matter can take, such as solid, liquid or gas