Abstract This paper analyzes the literature on the chemical "solution" in the ninth grade, and puts forward the teaching of sodium hydroxide as the main line, and conducts a holistic connection between knowledge, guiding students to in-depth thinking, and improving the integration ability of multidisciplinary knowledge. The construction of multi-channel information into the original cognitive system has enriched the cognitive perspective, developed the cognitive mode of student system and change, and presented a teaching design that can be used as a reference.
ZHENG Xiao-Ming. Deep Learning with Sodium Hydroxide as the Main Line: Taking the Teaching Unit Revision of “Solution” as an Example[J]. Chinese Journal of Chemical Education, 2019, 40(15): 23-27.