Energy

Energy can mean various things:

  • In physics, energy is a property of matter and space. It can be transferred between objects. It can be converted in its form. It cannot be created or destroyed.
  • In economics it may mean the ‘energy industry’, as in fuel or electric power distribution.
  • Energy can be used to heat, move or illuminate.
  • In everyday use, the word is used to describe someone acting or speaking in a lively and vigorous way.

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