10 Matter

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Across
  1. 3. The state of matter where particles are tightly packed and vibrate in place
  2. 5. Smallest unit of a compound that still retains the chemical properties
  3. 7. The process of a liquid becoming a gas only from the surface, even below boiling point
  4. 8. The state of matter that has a definite volume but no definite shape
  5. 10. The change of a liquid into gas when heated to its boiling point
  6. 11. The process by which a solid turns into a liquid when heat is added
Down
  1. 1. The process of a liquid turning into a solid when cooled
  2. 2. The state of matter where particles are far apart and move freely
  3. 4. The process where a gas changes directly into a solid without becoming a liquid
  4. 5. The building block of everything, made of atoms
  5. 6. The state of matter that has a definite volume but no definite shape
  6. 9. The gaseous state of water