Matter and Phase Changes

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Across
  1. 5. The phase change in which a liquid becomes a gas.
  2. 8. The direct change from a solid to a gas without becoming a liquid.
  3. 9. The process of adding thermal energy to a substance.
  4. 10. State of matter that expands to fill its container.
  5. 11. A measure of the average kinetic energy of particles.
  6. 13. State of matter with a definite volume but no definite shape.
  7. 14. Added or removed to cause a substance to change phase.
  8. 15. Type of energy associated with the motion of particles.
Down
  1. 1. State of matter with a definite shape and definite volume.
  2. 2. The phase change in which a gas becomes a liquid.
  3. 3. Anything that has mass and occupies space.
  4. 4. The direct change from a gas to a solid without becoming a liquid.
  5. 6. Tiny pieces of matter whose motion explains the properties of solids, liquids, and gases.
  6. 7. The phase change from a liquid to a solid.
  7. 12. The phase change from a solid to a liquid.