新课程教学要求的教学设计是以学生活动为基本点进行思考和设计的,关键是让学生参与到知识的学习和探究过程中来,以达成三维目标。实验教学是中学化学教学的组成部分,它不仅能验证化学规律、化学概念、化学过程,同时,也具有直观性、真实性、趣味性等特点。通过实验过程的创设、具体操作、现象的观察、结果的分析,激发学 The teaching design of the new curriculum teaching requirements is based on student activities as the basic point of thinking and design, the key is to allow students to participate in the process of knowledge learning and inquiry to achieve three-dimensional goals. Experimental teaching is an integral part of chemistry teaching in middle schools. It can not only verify chemical laws, chemical concepts, and chemical processes, but also has the features of intuition, authenticity, and interest. Through the creation of experimental process, specific operations, observation of phenomena, analysis of results, excitation