Physics Projects Fun physics experiment Homemade motor diy material for child school students

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1.Happy and easy to learn\n2.Exercise your children practical ability\n3.Train your children observation capability,thinking and analytical skills\nPlease note that:the battery does not incuded.\n\nLeft-hand rule:\n\nelectromagnetism, the left hand placed in a magnetic field, so that the magnetic induction lines vertical penetration of the palm, palm facing the N pole (fork into the point out), referred four fingers point to the current direction, the direction of thumb is that a conductor direction of the force.\n\nSimple principle:\n\npower conductor in a magnetic field magnet provided continuously driven by Ampere force, resulting in rotational movement.\n\nChanging the magnetic field direction and the direction of the battery, wires inversion occurs.