摘要：ABSTRACT The purpose of this study was to develop high-grade science teaching materials for elementary students of PGSD FIP UNIMED students, and use the Edmodo application to facilitate students to access learning materials that have been developed. This development research uses a 4-D model consisting of 4 stages of development, namely (1) the definition stage (Define), (2) the planning stage (Design), (3) the development stage (develop), and (4) the deployment stage (Disseminate) . In addition, it also provides experience to students and lecturers in carrying out lectures in blended learning, then the teaching material produced will be disseminated in the form of ISBN books, articles in indexed proceedings, international journals and will be registered as intellectual property.
