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This study aims to produce teaching materials for blended learning based on scientific literacy (BL-SL) on the topic of Earths atmosphere. The research was conducted with research and development (R&D) method with ADDIE research design (Analyze, Design, Development, Implementation and Evaluation). Teaching materials were validated by three lecturers namely one media expert and two other concurrently material experts as well as media experts. The next validation was carried out by 20 teachers who validated the material and media aspects of teaching materials. The research subjects were class VII students as many as 28 people and four teachers as observers at SMPN 3 Cianjur. Data were collected using expert validation sheets, observation sheets, scientific literacy tests, and student response questionnaires. The data obtained were analyzed descriptively quantitatively. The results of the development show that teaching materials BL-SL have a CVI (content validity index) value of 0.95 in the material aspect and 0.93 in the media aspect. The limited application of teaching materials BL-SL is obtained by N-gain scientific literacy of 0.65 with medium category. These results indicate that teaching materials for blended learning based on scientific literacy are quite effective to improve students scientific literacy.