“Polymer Physics” is a core fundamental course for the major of polymer materials and engineering

and plays a key connecting role in the professional knowledge system. Meanwhile

this course is of great significance in cultivating students’ scientific thinking

consolidating their professional theoretical foundation

and improving their engineering practice and comprehensive application abilities

thus occupying an irreplaceable position in the talent training system for polymer-related majors. However

as an advanced professional basic course with strong theoretically

high abstraction and great learning difficulty

the current teaching is generally plagued by problems such as low learning interest

insufficient classroom participation and inadequate cultivation of innovative thinking among students. To stimulate learning interest

enhance classroom participation and strengthen the cultivation of students’ thinking abilities

this study introduces the BOPPPS (Bridge-in

Objective

Pre-assessment

Participatory Learning

Post-assessment

Summary) and MOOC (Massive Open Online Course) online-offline blended teaching model. By integrating the modular teaching process of BOPPPS and the advantages of MOOC platforms

the deep integration of online and offline teaching is realized

and a blended teaching system suitable for the course of polymer physics is constructed. Taking the crystalline structure of polymer materials as a teaching case

this paper systematically expounds the design concept and implementation path of the BOPPPS-MOOC+ blended teaching model. Combined with practical classroom teaching design examples

it explores effective approaches to improve students’ classroom participation and teachers’ teaching efficiency

so as to provide a referential and replicable practical paradigm for the teaching reform of polymer-related professional courses.