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笔者在教学五年级《科学》(苏教版)第二单元《光的行走路线》的时候,在引导学生认识“光源”的过程中,出现了一段令人难忘的插曲。情景再现“什么是光源?大家可以举例说明!”我引导学生用自己在生活中所见到的现象来给“光源”进行定义。学生踊跃发言:“我们地球上的光芒都是来
When teaching the fifth unit of “Science” (Sujiao Version) Unit 2, “The Light’s Walking Route,” there was an unforgettable episode in guiding students to recognize the “light source.” Scene reproduction “What is the light? You can give an example!” I guide students to use their own phenomena seen in life to “light” to define. Students enthusiastically said: "All the light on our planet is coming