States of matter

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Across
  1. 2. Ideas that scientists have are called
  2. 5. amount of 3D space a substance or object occupies.
  3. 7. design
  4. 8. liquid to gas
  5. 10. everything you can see and feel
  6. 13. particles stay in the same place
  7. 16. the ways they behave
  8. 17. The particles are packed together and can vibrate. They stay in place
  9. 18. water will gradually disappear
  10. 19. liquid to solid
  11. 20. 100C boiling
  12. 22. gas getting cooler
  13. 23. Particles touch each other can move and can change places.
Down
  1. 1. best theory to explain how matter behaves uses the idea
  2. 2. equipment of measuring temperature
  3. 3. material
  4. 4. solids are heated
  5. 6. warm
  6. 9. The particles are far apart and can move about freely.
  7. 10. Solid to liquid
  8. 11. transfer
  9. 12. solid to gas
  10. 14. squashed
  11. 15. when temperature is above 100C
  12. 21. measure the volume of a liquid