States of Matter and Particles

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Across
  1. 2. The change of an object that can be seen or examined
  2. 8. model The visual representation of particles in different states of matter.
  3. 9. Where an object contracts energy from its surroundings
  4. 10. The action of water droplets falling from a cloud
  5. 12. When Gasses change state straight into solid
  6. 14. When a liquid is cooled enough, it _______.
  7. 15. When a liquid goes from a place of high concentration to a place of low concentration
  8. 16. I had a problem, and I found a ______.
Down
  1. 1. When water particles change back into a liquid
  2. 3. Solid changing into a gas
  3. 4. When liquid particles cool down, but don't become solid
  4. 5. When liquid changes into a gas
  5. 6. When a solid changes into a liquid
  6. 7. When water changes into a gas
  7. 11. When a object gives off energy or heat
  8. 13. When heated, a liquid ________.