A demonstration of the physical properties of density and magnetism was developed to show how these two properties can be applied to help promote a greener planet through recycling. The meaning of the term �density� as well an overview of magnetism will be discussed.  In this demonstration various compounds including glass, metal and different plastics were separated from one another using nothing more than a simple magnet as well as various solutions consisting of materials one can typically find around the house. The items were separated to show how recycling plants separate substances before they are recycled.  This demonstration is meant to be used as an effective way to show how the abstract ideas of density and magnetism can be applied to solve real world problems.

Physical property solutions applied to recycling problems

243rd National Meeting (2012)

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