关于化学实验教学有效性的思考一直是很常规的话题,通过对一个课例的反思,探究造成化学实验课堂低效的重要原因,并提出提高实验课堂效率的具体做法。 Thinking about the effectiveness of chemistry experiment teaching has always been a very common topic. By rethinking a lesson, we explore the important reasons that lead to the inefficiency of chemistry experiment classroom and put forward some concrete methods to improve the efficiency of experiment class.