本课是学生们第一次接触的电学知识,教学中要充分利用学生对电的知识具有迫切感和神秘感的认识心理,通过实验,诱发学生的兴趣,激发学生的学习热情,引导学生认真地探索科学奥秘。 <一>静电实验的成败与环境及仪器的干湿程度有极大关系。因此在上课前,必须把仪器用温皂水或 This lesson is for the first time students contact electrical knowledge, teaching students should make full use of knowledge of electricity has a sense of urgency and mystery psychology, through experiments to induce students 'interest, stimulate students' enthusiasm for learning and guide students to be serious To explore the mysteries of science. <1> The success or failure of electrostatic experiments and the environment and the degree of wet and dry equipment have a great relationship. Therefore, before the class, the instrument must be warm or water