Abstract Taking “what chemistry brings to us” as a teaching case, the initial chemical lesson of grade 9 tries practicing the “paradigm and guidance teaching” with the application of the authentic situation, developmental tasks, diversified meaning negotiation and creative application and other basic elements. This research tries to let students learn the magical and interesting chemistry during the first experience of material appreciation and experimental operation; let students learn practical and surrounding chemistry during the perception of the phenomenon of chemical life and the second inspiration of application in industrial and agricultural production; let students learn creative and developmental chemistry during the retrospect of the history of chemistry development and the further understanding of social development and technological progress.
ZHAN Fa-Yun, CHEN Guang-Yu. Introduction Class of Junior High School Chemistry:What Chemistry Brings to Us[J]. Chinese Journal of Chemical Education, 2024, 45(3): 66-71.