Matter

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Across
  1. 3. Particle ____ of matter
  2. 6. When particles in a solid move they ____
  3. 7. Has definite(fixed)shape and definite volume
  4. 9. Change from a liquid to a gas
  5. 10. Definite volume but no definite shape
  6. 13. Processing by which ice changes to liquid
  7. 14. The process change from a liquid to a gas
Down
  1. 1. Made up of tiny particles has space and mass
  2. 2. When a gas condenses, heat energy is ______
  3. 4. When a substances changes from a liquid to solid, heat energy is ____
  4. 5. When a substance changes directly from gas to solid
  5. 8. No definite volume and no definite shape
  6. 11. Can exist in the three states of matter
  7. 12. The process by which water becomes a solid
  8. 15. Process by which dry ice changes to carbon dioxide