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The aims of the research are (1) to develop a convertible book based on a scientific approach to improving the conceptual understanding and care-for-environmental character, (2) to reveal the effectiveness of the developed convertible book to improve the conceptual understanding and care-for-environmental character of grade IV students of elementary schools in Moga subdistrict., Pemalang Regency, Indonesian Country. The research uses Research and Development (R&D) model with reference to product development by Borg & Gall. The subject of research are students of elementary schools in Moga subdistrict. The validity of the developed convertible book was analyzed by converting to five quantitative criteria. The effectiveness of the convertible book in improving the conceptual understanding and care-for environmental character was analyzed by N-gain score, t-test, and MANOVA at the significance level of 0.05. The result of the research showed that the develop convertible book fulfilled the feasibility criteria according to the validation by material expert and media expert, teachers' responses and students' response which was in a good of very feasible category. The convertible book was effective to improve the students' conceptual understanding and care-for-environmental character. The result of the t-test at sig. 0.05 showed the effect of the use of the media and test MANOVA there is significant effect between class experiment and class control at 0.00.

Development of Media Convertible Book Based on Scientific Approach to Improve the Understanding of Environmental Care Concepts and Characters