化学是一门以实验为基础的自然科学，学生从实验现象中认知事物，并通过自己的操作来培养动手能力，进而促进思维的发展，综合素质的提高。长期以来，由于受到片面追求升学率的影响，中学化学实验严重“弱化”，化学教学象其他部分学科一样忽视了本学科的特点，只是盲目地... Chemistry is a natural science based on experiments. Students learn things from experimental phenomena and cultivate their hands-on skills through their own operations, thereby promoting the development of thinking and improving the overall quality. For a long time, due to the one-sided pursuit of higher school entrance rate, the middle school chemistry experiment has been severely “weakened”. Chemistry teaching neglects the characteristics of the discipline as much as other disciplines. It is blindly...