5G10  Magnets
            .10 Magnet Assortment
            .15 Lodestone
            .1x Magna Clean
            .20 Broken Magnet
5G20  Magnet Domains and Magnetization
            .27 Test Tube Magnet
            .31 Compass Array and Magnet
            .50 Hammer an Iron Bar
            .50 Permalloy Metal
            .60 Magnetizing with DC
            .62 Magnetizing by Contact
            .70 Electromagnet with 1.5V Battery
            .71 Electromagnets
5G30  Paramagnetism and Diamagnetism
            .10 Paramagnetism and Diamagnetism
            .21 Paramagnetism of Liquid Oxygen
5G40  Hysteresis
            .50 Hysteresis Waste Heat
5G45  Magnetostriction and Magnetoresistance
5G50  Temperature and Magnetism
            .50 Meissner Effect