Science

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Across
  1. 3. Resistant
  2. 5. Happens in a freezer
  3. 6. Water as a gas
  4. 8. Changes liquid to gas
  5. 11. Opposite to softness
  6. 13. Something you can't see
  7. 16. Energy of motion
  8. 18. Movement
  9. 19. A word for Weight
Down
  1. 1. Liquid to gas
  2. 2. Thin flowing
  3. 4. Volume when it's placed under pressure
  4. 7. Structure of elements
  5. 9. Moving really fast
  6. 10. A type of gas
  7. 12. Strong
  8. 14. Have vibrating particles
  9. 15. Happens in a kettle
  10. 17. Black and white