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小朋友们都知道,家里的各种电器都离不开电,电是哪里来的呢?是发电厂送来的,这是一种可以流动的电。我们今天做的实验是用笔发电,不过这种电能量很小,因为它不流动,我们就叫它“静电”。原理说明:塑料笔能发电是因为它在毛皮上穴或毛发中雪摩擦时产生了静电。静电电荷包含正、
The children all know that all kinds of electrical appliances in the house are inseparable from electricity. Where is electricity coming from a power plant? This is a kind of electricity that can flow. The experiment we are doing today is to generate electricity with a pen, but this energy is small because it does not flow and we call it “static electricity.” Principle Description: Plastic pen to generate electricity because it is in the fur on the hair or hair friction caused by static electricity. Electrostatic charge contains positive,