Ten complete investigations on the basics of electricity. Each set includes enough materials for one lab station, Teacher’s Guide, two student workbooks and one ammeter are also provided. Investigations include: • Building simple electric circuits • Circuit diagrams • Conductors and insulators • The effects of an electric circuit • How to use an ammeter • How a fuse works • Variable resistance in a circuit • Measuring the current in a series circuit • Measuring the current in a parallel circuit