BUILDING AN ELECTROMAGNET
Day 4: 60 minutes
Present this material to students after they are familiar with the basic properties of magnets and electricity.
Materials Needed 1 three foot long wire
2 batteries in holders
ActivityPass out the above materials along with the following worksheet, and have students complete the tasks described
After the class completes the above worksheet, review the elements of an electromagnet, such as electricity wound around a magnetizeable metal, a power source, etc. Use studentsí ideas about question 4 in the worksheet to dispell any myths or misconceptions about whatís going on.
This lesson was adapted from: http://www.galaxy.net/~k12/electric/elmag.shtml