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乌申斯基指出:“知识只有形成了系统,当然是从事物本质出发来形成的合理的系统,才能被我们充分掌握、脑子里装满了片断的、毫无联系的知识,那就像东西放得杂乱无章的仓库一样,连主人也无法从中找到他们需要的东西.”那么,怎样把学生从原有的片面、分割的知识变为全面系统的知识呢?笔者在探索高中物理教学申,总结了巩固性教学法,对诸如力、功、动能定理与机械能守恒定律、动量定理与动量守恒定律、总能量守恒等这些重要知识,不惜多花时间,充分发挥教师的主导作用,强调学生的主体性,一般按差、中、优的
Ushinsky pointed out: “Knowledge only forms a system, but of course it is a reasonable system that is formed by the nature of things. Only when we can grasp it fully and fill our brains with fragmented, unconnected knowledge, it is like something. Like the untidy warehouses, even the owners couldn’t find what they needed.” So, how do you turn students from one-sided, divided knowledge into comprehensive and systematic knowledge? The author is exploring high school physics teaching applications. Consolidation teaching methods, such as force, power, kinetic energy theorem and conservation of mechanical energy, momentum theorem and conservation of momentum, total energy conservation and other important knowledge, spend more time, give full play to the leading role of teachers, emphasizing the main body of students Sexual, generally poor, medium, and excellent