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奥苏贝尔曾提出了影响知识学习的三个认知结构的变量,即认知结构中已有知识的可利用性、新知识与认知结构中的有关知识的可辨别性和认知结构中已有知识的稳定性和清晰性。自江苏省实施新高考模式以来,作为选修科目之一的化学教学面临着前所未有的考验。教学时间大量缩减,学生重视程度明显下降。在这种形势下,教师怎样改变现有的教育观念、教育方式、教学行为等以达到教学效果的最优化,是每一个教师都应该认真去探索的问题。
Ausubel proposed variables that affect the three cognitive structures of knowledge learning: the availability of existing knowledge in the cognitive structure, the discernibility of the relevant knowledge in the new knowledge and cognitive structure, and the cognitive structure Has the stability and clarity of knowledge. Since the implementation of the new college entrance examination model in Jiangsu Province, chemistry teaching as one of the elective subjects is facing an unprecedented test. Teaching time reduced significantly, the degree of student attention decreased significantly. In this situation, how to change the existing educational concepts, ways of education and teaching behavior so as to optimize the teaching effect is a question that every teacher should seriously explore.