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结合“苯使酸性KMnO_4溶液褪色”的案例,通过实证分析,提出有效使用实验资源要深度解读文本,理解资源本意,实验教学要规范操作和渗透科学方法教育,实验创新要求真、从严的建议,对实验资源的处理、利用要从学生思维发展需要和实现课程目标的角度考虑,努力实现教学的举重若轻。
Combining with the case of “acid fading acid KMnO_4 solution”, this paper puts forward that the effective use of experimental resources should be based on the empirical analysis, to interpret the text deeply and to understand the original intention of resources. Experiment teaching should standardize the operation and infiltration of scientific method education. Suggestions, the treatment of experimental resources, the use of thinking from the students need to develop and achieve the objectives of the curriculum point of view, and strive to achieve teaching weightloss.