巧引·妙导·研究·讨论——“电从哪里来”教学过程丰润县夏庄小学崔树荣刘景武一、教学目的：１．认识常用的电池，知道电池有正负极，知道从电池和发电机中可以得到电。２．通过自制简易电池并用它做实验，培养学生观察实验能力。二、教学重点：指导学生了解电从哪里来... Clever introduction, wonderful guidance, research, discussion - “where does electricity come from” teaching process Fengrun County Xiazhuang Primary School Cui Shurong Liu Jingwu 1. Teaching purposes: 1. Recognize the commonly used battery, know that the battery has positive and negative electrodes, know that the battery and generator can get electricity. 2. By making simple batteries and using it for experiments, students are trained to observe experimental abilities. Second, teaching focus: guide students to understand where electricity comes from...