The study on static electricity. Objective to study the properties of electric charge. To study the charge of the atom, and to study the device used to check electric. The results showed that the properties of an electric charge 2 colours Objects with the same charge. There would be a strong push and objects with charge will suck neutral objects. The atom consists of protons and electrons, found that the charge of the atom. Cationic, and negative charge are the same. And found that the charge device called the neutral salt scope, there are 2 is a pith ball and metal.
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