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Journal : Journal of Authentic Research

Preservice Science Teachers as Mediators of Indigenous Artisanal Knowledge: A Community-Based Ethnoscience Project in Central Lombok Bayani, Faizul; Hulyadi, Hulyadi; Pomeistia, Meilynda; Sudirman, Sudirman; Rahman, Rahman; Hidayah, Thauhidayatul; Hardianti, Dina; Safitri, Temi Ainul; Gargazi, Gargazi
Journal of Authentic Research Vol. 4 No. 2 (2025): December
Publisher : LITPAM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/f6svsq19

Abstract

This qualitative single-case ethnoscience study explored how preservice science teachers reconstructed indigenous knowledge from local artisanal practices into potential school science learning resources. Conducted in an Ethnoscience course in the Science Education Study Program at Universitas Qamarul Huda Badaruddin Bagu, Central Lombok, the project adopted an ethnoscience-oriented project-based practicum (EthnoPjBL) in which one intact class collaborated with artisans involved in knife forging, clay brick and roof-tile production, herbal medicine and jamu kunyit asam preparation, palm-sugar and sweet tuak processing, and plastic and bamboo weaving. Data from participant observation, field notes, interviews, structured analysis tables, student scientific report drafts, concept maps, reflective worksheets, and course documents were analysed through thematic coding, constant comparison, and concept map interpretation. The findings show that preservice teachers identified dense clusters of phenomena, for example heat transfer, phase change, mixtures, plant physiology, microbial processes, and structural mechanics, mapped these onto canonical concepts and junior and senior secondary curriculum topics, and produced curriculum-linked representations that support contextualised and integrated science learning while developing epistemological awareness, ethical sensitivity, and capacity to pedagogically mobilise indigenous knowledge.
Identification Of Vegetable Fat Formulations on Hardness, Cleaning and Conditioning of Solid Soap Hulyadi, Hulyadi; Muhali, Muhali; Prayogi, Saiful; Azmi, Irham; Firdaus, Laras; Suryati, Suryati; Mirawati, Baiq; Gargazi, Gargazi
Journal of Authentic Research Vol. 4 No. 2 (2025): December
Publisher : LITPAM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/ty850306

Abstract

This study aims to examine the effect of varying vegetable oil compositions (coconut, palm, and olive) on the physical and chemical qualities of solid soap, specifically in terms of hardness, cleansing ability, and moisture content. This study used a laboratory experiment with five soap formulas combining various vegetable oil compositions. The results showed that the formula with a combination of 60% coconut oil and 40% palm oil produced the soap with the highest hardness, while the formula with a combination of 60% coconut oil and 40% olive oil provided the best moisture content. The soap with a composition of 60% coconut oil and 40% palm oil also demonstrated better cleaning ability, thanks to the lauric acid content in coconut oil, which has antibacterial properties. This study recommends the use of a combination of coconut and palm oils to produce soap with the best quality in terms of hardness and cleansing ability, and coconut and olive oils for soap with greater skin moisturizing properties. It is hoped that this research will contribute to the development of the natural soap industry in Indonesia, reduce dependence on imported raw materials, and increase the competitiveness of natural soap products in the global market.