Phases of Matter Crossword

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Across
  1. 2. change of state that happens when molecules at the surface of a liquid become a gas
  2. 4. change of state that happens when molecules below the surface of the liquid becomes a gas
  3. 5. change of state from a liquid to a solid
  4. 6. change of state from a gas directly to a solid
  5. 7. a unique type of gas made of particles that have an electric charge
  6. 8. the temperature at which a solid becomes a liquid
  7. 10. the state in which matter has no definite shape or volume
  8. 11. the temperature at which a liquid becomes a gas beneath the surface
  9. 14. a characteristic that describes how one substance reacts with another substance
  10. 16. change of state from a solid directly to a gas
  11. 18. change of state from a solid to a liquid
  12. 19. the amount of matter in a given space
  13. 20. a change in one or more physical properties of a substance
Down
  1. 1. change of state from a liquid to a gas
  2. 3. change of state from a gas to a liquid
  3. 9. a characteristic of matter that can be observed or measured without changing the substance
  4. 12. the state in which matter has a definite shape and definite volume
  5. 13. the ability to catch fire when exposed to oxygen and flame
  6. 14. when one or more substances are change into a new substance with different properties
  7. 15. the ability to do work
  8. 17. the state in which matter has a definite volume but no definite shape