High School Students' Perceptions Of Their Chemistry Teachers' PCK

PCK(Pedagogical Content Knowledge)is the core of teacher knowledge and is a kind of knowledge developed by teachers.PCK helps teachers' teaching practice and has a great influence on students' learning.At present,PCK researches mostly from the perspective of teachers to study the development of teachers' PCK,which shows that the PCK of teachers is helpful for students' learning.Only a few studies have studied the PCK of subject teachers from the perspective of students.The purpose of this study is to explore the PCK level of chemistry teachers from the perspective of students.The research tool for this survey is a questionnaire designed on the basis of the of PCK.The questionnaire is a Likert scale and two open questions.The study surveyed 145 students from grade one to grade three.Through the statistical analysis of data,the following conclusions are drawn:(1)In general,senior high school students believe that the contents of the five constituent components of the PCK of chemistry teachers(referred to as components)are important;(2)Students with different levels of academic achievement to teachers' PCK There are significant differences in the understanding of the components,of which students with high levels of academic achievement tend to think that all components of the PCK are important,and students with a lower level of academic achievement tend to think of a certain PCK compared to students with a high level of academic achievement.These components are less important;(3)Students of different genders have no significant differences in their understanding of the chemical composition of PCK components;(4)There is no significant knowledge of the PCK component of teachers in different places(towns and villages).Sexual differences.This study shows that in the chemistry teachers need to effectively improve their own PCK level,teachers should be student-oriented,so that students can teach in accordance with their aptitude.Chemistry teachers should adjust their PCK to meet the needs of students in the face of students with different levels of academic achievement.Chemistry teachers should strengthen their awareness of reflection.Indaily teaching,students should reflect on their teaching practice based on their feedback on teachers' PCK awareness.