Research On Strategies To Cultivate Students’ Core Literacy Of "Macro Identification And Micro Exploration" In The Middle School Chemistry Teaching Articulation

The compulsory chemistry curriculum standards(2022 edition)clearly indicate the need to strengthen the articulation of school periods,and the teaching process should reflect the continuity and progression of learning objectives.Teachers need to understand the characteristics of students at the high school level and the subject of chemistry to prepare students in advance for further deepening their learning."Macroscopic identification and microscopic analysis" is an important part of students’ thinking and approach to chemistry,and it is also the basis for their learning and concept of chemistry.This study was conducted using literature,questionnaire and case study methods.On the basis of the core literacy of "macroscopic identification and microscopic analysis",we compared and analyzed the curriculum standards,textbook contents,and the core literacy of "macroscopic identification and microscopic analysis" in junior and senior high school chemistry respectively.We found that there are great similarities and connections between the junior high and high school chemistry curriculum standards,and the contents of junior high and high school chemistry textbooks are more related,and most of the contents of senior chemistry have been learned in junior high school,but the contents learned in junior high school are simpler and more difficult in high school.The "macroscopic identification and microscopic analysis" in the general high school chemistry curriculum standard is a continuation and higher requirement of the "chemical concepts" proposed in the compulsory education chemistry curriculum standard.A questionnaire was used to collect data on the development of the core literacy of "macroscopic identification and microscopic analysis" and the interface between junior and senior high school chemistry.A control group of junior and senior high schools with different education levels was selected,and the questionnaires were analyzed and the results were obtained.The existing problems were also analyzed.The following teaching strategies are proposed for the cultivation of this literacy among junior and senior high school students: pay attention to the learning of "macroscopic recognition and microscopic analysis" theory;focus on the cultivation of cognitive ability;combine with digital teaching platform to form intuitive feelings;pay attention to teaching guidance.Based on the literature and the knowledge of junior high school students,the teaching strategies were applied by selecting three parts: "Redox Reactions","Solubility Calculation" and "Concept of Ionization" and "Writing Ionization Equation".Lastly,we will conclude and look forward to the development of the core literacy of "macroscopic recognition and microscopic analysis" for teachers,students,school management and students in the interface between junior and senior high school chemistry.