This study examines the relevance of traditional knowledge and scientific science in the process of making keris in Sakra Village, East Lombok. Keris, as a symbol of Sasak culture, is made using traditional techniques involving scientific concepts such as alloys, thermal expansion, and plastic deformation. This study uses a descriptive qualitative method through observation, interviews, and literature studies. The results show that the traditional technique of making keris can be explained scientifically and is relevant to ethnoscience-based learning. This approach improves science literacy, preserves local wisdom, and develops students' creative thinking skills. The process of making keris can be used as a contextual learning medium to connect science with daily life.
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