Constructing the motor. 38 Electrical Circuits 1. Students make working flashlights using 4 methods. Constructing the flashlights. 39 Atoms 1.
Students make atoms mobiles.
Constructing the mobiles. Determining protons, neutrons,and electrons. 40 Chemical Reactions 1. Observing 41 Convervation of Matter 1. Subtraction-determining if there are mass differences before and after the reaction.