See the magnetic field with iron filings !
Fun with Iron Filings
Students discover with their hands. The student in the picture below enjoyed seeing the patterns in the magnetic field in the iron filings.
Iron filings can usually be purchased or ordered at your local teacher supply store. You can make a bottle last for a long time with a little thrift. Teach the students to keep a file folder under the filings at all times. When they are finished playing they can use the folder to pour the filings back into the bottle.
