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The purpose of this study was to determine the feasibility of science mutant water cycle diorama media for fifth grade students of SD 5 Klaling. This research uses the Research and Development (RnD) method. The research was carried out through several stages, namely potential and problem identification, data collection, product design, media validation and media revision. Data collection techniques in this study were through interviews, questionnaires and documentation. The results of this study were that the developed media was declared feasible by media expert validation, namely by the overall average of 27 and percentage of 81% with the appropriate category, material expert validation was average - overall average of 4.1 and a percentage of 82% with a feasible category for testing. Based on the research results obtained, the conclusion from the development of water cycle diorama learning media is said to be feasible in science learning with water cycle material in class V SD 5 Klaling.

The objectives in this study were: 1) to improve learning activities in Natural Sciences in class VIII B students of SMP Warga Surakarta, 2) to improve learning outcomes, especially learning outcomes in Natural Sciences through contextual learning methods modeling techniques about the Human Excretory System in class VIII B students of SMP Warga Surakarta. The method used is action research method. The research was conducted on class VIII B students of SMP Warga Surakarta in the 2022/2023 academic year, as many as 27 students consisting of 13 boys and 14 girls. The data collection techniques were carried out by observing student and teacher activities, tests, partner teacher responses, and monitoring classroom observations. From the assessment test of Natural Science learning outcomes for each cycle of class action always increases, namely; the percentage of pre-cycle KKM achievement is 29.62%, cycle I is 44.44% and in cycle II it becomes 100%. Based on student responses in the implementation of learning using modeling techniques, it becomes more fun, easier to understand, makes students want to be more active and creative, students can find or interpret more freely, and is not confusing. So that by using the modeling method in learning Natural Sciences can help students in increasing activity and learning outcomes in Natural Sciences.