This research and development aim to develop a learning material for the learning improvement quality of Primary Teacher Education (PGSD) students in Integrated Science subject. The research method used is Borg and Gall model. The research stages are: (a) curriculum analysis, the students’ and teachers’ need analysis, (b) the learning material development stage which is analyzed by experts’ judgment, and (c) the pilot stage. The research instruments are observation sheets, interview guides, validation sheets, teachers and students’ response questionnaires, tests, performance assessment sheets, and attitude questionnaires. The results show that the learning material is valid, practical and effective to improve Integrated Science subject learning quality.