States of Matter Vocab puzzle

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Across
  1. 9. The temperature where a gas changes into a liquid.
  2. 12. A measurement of the average thermal energy of the particles in a substance.
  3. 13. The process of a gas changing states to become a liquid.
  4. 14. The process by which scientists ask questions about the natural world and then seek answers to them.
  5. 16. The physical form in which matter exists.
  6. 17. A state of matter; no definite shape or volume.
Down
  1. 1. The change from a liquid to a solid.
  2. 2. The temperature at which vaporization, or bubbling.
  3. 3. A change that happens throughout a liquid.
  4. 4. The temperature at which a particle substance liquifies.
  5. 5. The energy of a moving particle.
  6. 6. Matter that has no definite shape, but has a definite shape.
  7. 7. The change of particles at the surface of the liquid when changing into a gas.
  8. 8. A question that is precise or stated exactly.
  9. 10. Matter that has a definite shape and volume.
  10. 11. The transfer of flow of thermal energy.
  11. 15. Matter with neither a definite shape nor volume.