States of Matter

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Across
  1. 3. The amount of matter in a substance
  2. 6. A state of matter where the particles are spread out and move around freely
  3. 8. The amount of space taken up by a substance
  4. 9. This is fixed in solids and liquids but can change in gases
  5. 11. Changing state from a gas to a liquid
  6. 12. Changing state from a solid to a liquid
Down
  1. 1. Changing state from a liquid to a gas
  2. 2. A state of matter where the particles are close together but can move around
  3. 4. This is fixed in solids but can change in liquids and gases
  4. 5. Changing state from a liquid to a solid
  5. 7. A state of matter where the particles are held tightly together and can vibrate in place
  6. 10. Anything that takes up space and has mass
  7. 12. This is fixed in all states of matter