Research On Applying PBL Teaching Mode To Promote Senior High School Students' Deep Learning In Chemistry

The 21 st century is the era of high-speed economic development.people have new requirements for personnel training.It requires the students of the new era to have the ability to self-study and enhance their Intrinsic Motivation of study;It requires the students to learn to construct,transfer and apply knowledge on their own initiative instead of “Reading dead books”;and it requires the students to learn critical thinking knowledge,discover new opportunities with an innovative eye.These requirements aim to cultivate people with all-round development and point to more creative and critical deep learning.In this new era,we should not rigidly adhere to the study of the “ only fraction theory ” of traditional machinery,but deeply understand and apply knowledge to promote the development of all aspects of their own abilities.However,in the existing teaching field,most classrooms maintain the traditional teaching mode,which is difficult to meet the students ' five educations.Therefore,the author consulted relevant information and literature and learned that Problem-Based Learning(PBL)can help students improve their deep learning ability,and there have been relevant empirical studies in the fields of medicine,architecture and education.Problem-based learning(PBL)is a kind of problem-oriented learning,which takes the real inferior problem as the situation,promotes students ' learning,learns to reflect,and finds a suitable way for their own learning.Deep learning is a kind of problem discovery and exploration based on students ' existing life experience.It is the application and creation of knowledge on the basis of memorization and understanding.It is a comprehensive learning process to pursue a certain depth and breadth of thinking.Based on the background of the times and the analysis of the internal relationship between the two,it is found that problem-based learning is one of the effective ways to realize deep learning,and the combination of the two will be beneficial to the development of students ' deep learning ability.Therefore,this paper designs a PBL teaching mode combined with the existing teaching situation and the actual situation of students,and applies it to teaching practice.Finally,according to data analysis,the influence of this mode on students ' chemical deep learning is obtained.Details are as follows :Firstly,the research direction and content are formulated,the research ideas are determined,the concepts of PBL and deep learning are deeply understood,and the latest development trends at home and abroad are grasped.Secondly,the concept of PBL and deep learning is defined to understand the theoretical basis of the two,and then the problem-based deep learning model is designed for classroom practice.In this study,the students of Grade 1in a middle school in Zunyi City were selected as the practical subjects,and the experimental class and the control class were set up.The questionnaire survey was conducted on the deep learning status of chemistry.The results showed that the deep learning level of the subjects was not high.Then,the appropriate teaching content was screened and practiced in the classroom,and the examples of ‘several compounds of sodium ' ‘ the mutual transformation of iron and its compounds 'were shown in the paper.Through practice,it is found that PBL teaching mode helps to improve students 'knowledge integration and construction ability,migration and application ability,and to a certain extent can promote learning motivation.Students began to adapt to the group exchange and discussion,sharing information,and the ability to coordinate and cooperate has also changed greatly.Critical and creative thinking has also begun to develop in a positive direction,and the overall level of deep learning is on the rise.Therefore,PBL teaching mode can promote students ' deep learning ability.