Cultivating Core Competencies Through Socio-Scientific Issues (SSI): Teaching Halogenated Hydrocarbons via the Case of DDT’s Merits, Drawbacks, and Controversy over Its Use and Ban
WANG Rui-Xin*
Affiliated High School of Henan University, Kaifeng 475001, China
Abstract This study constructs a teaching framework based on Socio-Scientific Issues (SSI), centering on the controversial case of “DDT’s abolition and retention” to integrate core knowledge of halogenated hydrocarbons, including physical properties, substitution and elimination reactions. Through problem-driven inquiry, experimental exploration, and scientific debates, students’ chemical core competencies are developed, such as “macro-micro analysis” “scientific ethics and social responsibility”, et al. The teaching emphasizes tripartite representational thinking, utilizes comparative experiments to reveal the regulatory role of reaction conditions, and guides students to dialectically evaluate the dual impacts of scientific advancements from a green chemistry perspective, achieving the integration of knowledge construction and value cultivation.
WANG Rui-Xin. Cultivating Core Competencies Through Socio-Scientific Issues (SSI): Teaching Halogenated Hydrocarbons via the Case of DDT’s Merits, Drawbacks, and Controversy over Its Use and Ban[J]. Chinese Journal of Chemical Education, 2025, 46(23): 62-68.
