States of Matter

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Across
  1. 4. Vapours which have a smell
  2. 5. the gas form of a liquid
  3. 8. the temperature at which a liquid becomes a gas
  4. 10. occurs when gases are heated to extremely high temperatures
  5. 12. amount of matter in a substance, usually measured in kilograms
  6. 13. the temperature at which a solid becomes a liquid
  7. 14. pourable and able to change shape
  8. 15. energy of motion or moving objects
  9. 16. how much space an object takes up
Down
  1. 1. spontaneous spreading out of a substance through a liquid or gas
  2. 2. anything that has mass and volume
  3. 3. theory that all matter is made up of very tiny particles
  4. 6. When a substances changes state, from a solid to a gas without becoming liquid
  5. 7. branch of science that deals with matter and changes that take place within it
  6. 9. can expand freely and fill available space
  7. 11. firm and stable