Matter

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Across
  1. 3. Not changing; solids have a ______ shape.
  2. 4. A state of matter with a fixed shape and fixed volume.
  3. 6. The three forms that matter can exist in.
  4. 7. The change of state when a gas changes directly into a solid.
  5. 9. This is added or removed to change the state of matter.
  6. 11. The amount of matter in an object.
  7. 13. A state of matter with a fixed volume but no fixed shape.
  8. 15. Tiny building blocks that all matter is made from.
  9. 17. The gas form of water.
  10. 20. The change of state when a liquid changes into a gas below its boiling point.
  11. 21. The change of state when a liquid becomes a solid.
  12. 22. The amount of space something takes up.
  13. 24. The change of state when a solid becomes a liquid.
  14. 25. The continuous movement of water around Earth through evaporation, condensation and precipitation.
Down
  1. 1. The change of state when a gas becomes a liquid.
  2. 2. The shape used to represent a particle in diagrams.
  3. 5. The solid state of water.
  4. 8. The change of state when a solid changes directly into a gas.
  5. 10. A state of matter with no fixed shape or volume.
  6. 12. A type of matter; water, ice and water vapour are all the same ______.
  7. 14. The form of an object; liquids do not have a fixed one.
  8. 16. The substance that can exist as ice, liquid and vapour.
  9. 18. Able to be changed back again.
  10. 19. The change of state when a liquid becomes a gas.
  11. 23. Anything that has mass and takes up space.