Physical Properties

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Across
  1. 2. Rainbow colours.
  2. 4. The temperature at which a given solid will melt.
  3. 5. The degree of compactness of a substance.
Down
  1. 1. The temperature at which a liquid boils and turns to vapour.
  2. 3. The amount of space that a substance or object occupies, or that is enclosed within a container.