Abstract From the perspective of core literacy, junior high school chemistry classroom teaching needs a teaching model that goes deep into the essence of the subject. The“four times and four steps”teaching mode is based on teachers “four steps teaching” and students'“quadruple cognition” of basic cognition, essential cognition, structural cognition and value cognition,this teaching mode is achieved the development from knowledge-based teaching to chemistry core literacy. The transformation of the integration of teaching, learning and evaluation meets the requirements of discipline education.
LIU Qing-Hua. Junior High School Chemistry Teaching of “Carbon Dioxide and Carbon Monoxide” Based on “Four Times and Four Steps” Teaching Mode[J]. Chinese Journal of Chemical Education, 2022, 43(11): 81-87.
