<![CDATA[Learning Science and Social Studies (IPAS) on the water cycle topic in elementary schools still faces several challenges, including teacher-centered learning and limited learning media that can concretely visualize abstract concepts. This study aims to develop SI Air (Water Cycle), a 3D diorama-based learning media for fifth-grade elementary school students. This study employed a Research and Development (R&D) method using the ADDIE development model consisting of analysis, design, development, implementation, and evaluation stages. The research instruments included validation sheets from media experts and material experts, teacher and student response questionnaires, and learning outcome tests through pre-test and post-test. The results showed that the developed media obtained a validity score of 92.2% (very valid), practicality score of 98.09% (very practical), and an N-Gain score of 0.77 (high category). Student learning outcomes increased from an average pre-test score of 44.40 to a post-test score of 87.63. These results indicate that SI Air 3D Diorama learning media has good validity and practicality and shows potential to support students’ understanding of the water cycle topic. Further research involving larger samples and comparison groups is recommended to confirm its effectiveness.]]>
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