Read carefully pages 11-24 and work n groups:
http://www.need.org/needpdf/Exploring%20Magnets.pdf
Some experiments about electricity and magnets:
http://web.archive.org/web/20040603203002/www.galaxy.net/~k12/electric/
practice some more on magnetism:
http://www.myschoolhouse.com/courses/O/1/33.asp
http://www.internet4classrooms.com/science_elem_magnets.htm
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