Matter Words

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Across
  1. 1. It is made up of three states.
  2. 3. When it's a gas it moves a lot more.
  3. 5. The quantity of a three-dimensional space.
  4. 7. When it hits a certain pointt it melts.
  5. 9. When this happens it skips the liquid stage.
  6. 10. Substance that makes the particles more free.
  7. 13. This occurs when a solid turns into a liquids.
  8. 14. Another word for increase.
  9. 16. Lots of substances that cannot be broken down.
  10. 17. Something you can smell and see the colour of.
  11. 19. This occurs when a liquids turns into a gas.
  12. 20. This occurs when a liquid turns into a solid.
  13. 21. It measures matter in kg.
Down
  1. 2. A system of ideas that explain something.
  2. 4. Something that will change during or after.
  3. 6. It makes up matter.
  4. 8. Substances that can't hold particles together.
  5. 11. This occurs when a gas turns into a liquid.
  6. 12. When it's a gas it spreads more.
  7. 15. When it's a certain point it evaporates.
  8. 18. Substance that holds particles together.