Graphing 35 Electrical Charges 1. Teacher demonstration of electrical charges. Students determine how many wire wraps on an iron bar pick up how many paper clips. Teacher demonstration of a Galvanometer. Interpolation 37 Making an Electric Motor 1.
Students make a simple electric motor.
Constructing the motor. 38 Electrical Circuits 1. Students make working flashlights using 4 methods. Constructing the flashlights. 39 Atoms 1.