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教学目标1.生活中有很多静电现象,通过摩擦等方式可以使物体带电。2.在实验中发现现象,从现象中寻找电荷相互作用的规律:同种电荷相互排斥,异种电荷相互吸引。3.运用逻辑推理,对观察到的实验现象进行合理的解释,发展探究身边科学现象的兴趣。材料准备:塑料梳子、吸管、泡沫屑、丝绸、毛皮、玻璃棒,吸管每小组若干;记录单等。教学过程:一、体验静电现象导入揭题1.科学小魔术:
Teaching Objectives 1. There are many static phenomena in life, through friction, etc. can make the object charged. 2. In the experiment found the phenomenon, looking for the phenomenon of charge interaction law: the same type of charge mutually exclusive, different kinds of charge mutual attraction. 3. Use logical reasoning to reasonably explain observed phenomena and develop interest in exploring scientific phenomena around them. Material Preparation: plastic comb, straw, foam crumbs, silk, fur, glass rods, straw per group; record single and so on. Teaching process: First, to experience the phenomenon of electrostatic exposure Jieti 1. Science Little Magic: