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电流和电路

来源:网络资源        2009-09-19 16:46:26

标签:电路 电流说两句

  教学目标:

  1、知识和技能

  初步认识电流、电路及电路图。

  知道电源和用电器。

  能从能量转化的角度认识电源和用电器的作用。

  3、情感、态度、价值观

  通过连接电路的活动,激发学生的学习兴趣,使学生乐于动脑筋找出新的连接电路的方法。

  重、难点:

  1、知道电流、电路的基本概念。

  2、能认识、使用电路图。

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