Materials List: Electricity & Magnetism:
Whose Field Line Is It, Anyway?

Each group needs:

  • 1 bar magnet (rectangular)
  • 1 sheet of paper
  • 1 3/16-in iron nail (3-in long)
  • 2 meters of 28 to 32 gauge copper magnet wire (bulkwire.com)
  • 100 g of iron filings
  • 1 battery (AA, AAA or 9V)
  • 1 pair of wire strippers
  • Fields Lines Worksheet one per student
https://www.teachengineering.org/activities/view/usf_maxwell_lesson01_activity1