MATTER

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Across
  1. 2. The basic unit of matter.
  2. 4. The effect on gases on heating,
  3. 5. The state of matter having a definite volume but not a definite shape.
  4. 8. The molecules only vibrate in their fixed places in this state of matter.
  5. 9. The change of state from solid to liquid on heating.
  6. 10. The change of state from liquid to gas below the boiling point.
Down
  1. 1. The level of this gas has increased due to pollution.
  2. 3. The amount of matter contained in an object
  3. 6. The temperature at which liquid changes to solid
  4. 7. The property of a substance that allows it to flow.