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在《机械能守恒定律》优质课的评比中,教学设计时通过理论探究与实验探究相结合的方法来解决机械能守恒的条件这一教学难点,但实验探究的过程很失败,没有达到探究的目的。本文首先呈现课堂实况,其次对实验失败的原因进行深入分析,再次重新进行教学设计、再现,最后就探究实验设计的一点反思感悟与同行们一起分享。
In the teaching of “Quality Law of Conservation of Mechanical Energy”, the teaching design method is to solve the teaching difficult condition of the conservation of mechanical energy through the combination of theoretical exploration and experimental exploration. However, the process of experimental exploration failed and did not reach the purpose of exploration. This paper first presents the classroom live, secondly, the reasons for the failure of the experiment in-depth analysis again to re-teaching design, reproduction, and finally explore the experimental design of reflection and understanding with colleagues to share.