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实验是学生体验科学探究过程的重要手段,对实验教学有序性的深入研究,有利于提高实验教学的有效性,从而实现课堂教学的效率从有效到高效的提升。一、厘清教材中学生实验编排的“序”1.实验知识学习有序(1)实验内容符合学生认知的有序性。课标中规定的8个学生实验活动对应了初中重点知识,有利于学生深刻理解和巩固这些知识,实验的设定采用了物质性质验证、基本概念及化学原理探究穿插编排,
Experiment is an important means for students to experience the process of scientific inquiry. The further study of the orderliness of experimental teaching is helpful to improve the effectiveness of experimental teaching so that the efficiency of classroom teaching can be improved from effective to efficient. First, to clarify the experimental teaching of high school students “sequence ” 1 experimental learning orderly (1) experimental content in line with the cognitive order of the students. The experimental activities of eight students stipulated in the course standard correspond to the key knowledge of junior high school and are conducive to the students’ deep understanding and consolidation of the knowledge. The experimental setting adopts the material nature verification, basic concepts and chemical principles to explore interspersed choreography,