• Robert Barrass
Part of the Macmillan Master Series book series


Scientists use the term matter to include all materials. Matter is defined as anything that occupies space. And a space from which all matter has been removed is called a vacuum. Matter exists in three states:
  1. 1

    A solid has both a definite shape and a definite volume, it occupies a fixed amount of space.

  2. 2

    A liquid has a definite volume but not a definite shape, it takes the shape of its container.

  3. 3

    A gas has neither a definite shape nor a definite volume, it takes the shape and occupies the volume of any container.



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© Robert Barrass 1991

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  • Robert Barrass

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