the states of matter

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Across
  1. 2. When a solid converted directly into a gas
  2. 5. When the substance reaches a cool enought temperature at a certain pressure
  3. 8. When temperature and pressure at which a liquid transform into a gas
  4. 10. Definite shape and volume
  5. 11. Particles are free to move over each other
  6. 13. Is a conversation of a liquid to a gas
  7. 14. When a gas transforms directly into a solid
  8. 16. When the substance reaches a combination of temperature and pressure
  9. 17. Caused by motion and pressure
Down
  1. 1. At low temperature below 0
  2. 3. Have same substance,same element and attracted to one other
  3. 4. You can use it to measeure temperature
  4. 6. When a gas loses energy to form a liquid
  5. 7. Is used to move matter
  6. 9. When heat is added to a liquid
  7. 12. A lot of kinetic energy
  8. 15. Are in costant motion