化学教育家刘知新认为,化学实验应具有以下教学功能:它是化学科学认识之源泉,是训练科学方法的有效途径,是养成科学态度的必由之路。在创新教育和素质教育全面发展的今天,化学教师应充分利用化学实验在化学教学中独特的作用,在安全第一的前提下,适当修改化学实验内容和方式,以实验为基础,让学生充分发挥主观能动性,充分调动其创造能 Liu Zhixin, a chemical educator, believes that chemical experiments should have the following teaching functions: It is the source of understanding of chemical sciences, an effective way to train scientific methods, and the only way to develop scientific attitudes. In today’s all-round development of innovative education and quality education, chemistry teachers should make full use of the unique role of chemistry experiments in chemistry teaching. Under the premise of safety first, the contents and methods of chemical experiments should be appropriately modified. Based on experiments, students should be fully informed. Give full play to subjective initiative and fully mobilize their creative energy