Phase Changes of Matter

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Across
  1. 5. The process of changing from a solid directly into a gas
  2. 9. The process of changing from a liquid to a gas
  3. 10. The process of changing from a liquid to a solid
  4. 12. The state of matter that has no fixed shape or volume
Down
  1. 1. The process of changing from a gas directly into a solid
  2. 2. The process of changing from a gas into a liquid
  3. 3. This state of matter has a fixed volume, but no fixed shape
  4. 4. The state of matter that exist in space, but not on earth
  5. 6. The process of changing from a solid to a liquid
  6. 7. Anything that has mass and volume
  7. 8. The state of matter that has a fixed shape and fixed volume
  8. 11. To change the state of matter, you must either remove or add __________.