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What is Induction?
Teach your child how to awe his friends by showing him how to easily separate salt from pepper! Have him put the "opposites attract" principle to the test, and soon he’ll see how easy it is to separate the two mixed spices. In this experiment he’ll build a flow of electricity by rubbing wool against a plastic spoon. When the negatively charged spoon is lowered, it charges the spices through induction and the pepper grains will jump to the spoon.