万事开头难,一节成功的科学课必定有一个良好的开端。怎样设计一个融知识性和趣味性于一身的开端呢?下面结合几个成功的例子,谈谈自己的看法。案例1在教学《摩擦起电》这一课时,我是这样做的,首先问:“同学们,你们喜欢看魔术吗?下面老师给你们表演一个魔术好吗?”边说边把事先 Everything is hard at the beginning, a successful science class must have a good start. How to design the beginning of a fusion of knowledge and interest in the following combination of several successful examples to talk about their own views. Case 1 In the teaching “friction electrification” this lesson, I did so, first asked: “classmates, do you like to see magic? The following teacher to show you a magic okay?”