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All Journal Equator Science Journal (ESJ) Samakta: Jurnal Pengabdian Kepada Masyarakat
Fenetiruma, Yufita
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Languange, Linguistic, Communication & Media Physics

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Introduction of Solar Desalination Technology with Cooling Fans for Clean Water Supply in Warmon Kokoda Village Sorong City Southwest Papua Matonda, Kristin Seru; Ani Umkabu, Siti; Supriyatna, Supriyatna; Fenetiruma, Yufita; Ronetha Burdam, Yakomina; Suega, Salsabila; Efendi, Fajar; Hidayat, Febrian Andi; Jaharudin, Jaharudin; Santoso, Budi; Ramadany, Lisa Dewi
Samakta: Jurnal Pengabdian Kepada Masyarakat Vol. 3 No. 1 (2026): Samakta: Jurnal Pengabdian Kepada Masyarakat
Publisher : CV. Dharma Samakta Edukhatulistiwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61142/samakta.v3i1.284

Abstract

The issue of clean water availability in coastal areas remains a serious challenge, particularly due to increasing seawater intrusion, which causes groundwater to become brackish and unfit for consumption. This condition is also experienced by the community in Warmon Kokoda Village, Sorong Regency, who have long depended on well water sources with high salinity levels. This community service activity aimed to introduce and train residents in the use of single-roof solar desalination technology with a solar-powered cooling fan as an energy-efficient and environmentally friendly solution for brackish water purification. The approach used was Participatory Action Research (PAR), in which the community was actively involved in socialization, learning, and hands-on practice in the manufacture and operation of the device. The results of this activity showed an increase in community knowledge about the working principles and benefits of solar desalination technology, as evidenced by the community's ability to conduct trials on the device. Technical tests showed that the device was able to reduce the salinity of brackish water from 5% to 0%, producing water suitable for consumption according to WHO standards, with good thermal efficiency for the household category. This activity had a significant impact in providing access to safe and potable water for the local community, as well as increasing independence in water resource management.
Implementation of STEM-Based Learning through Greenhouse Effect Experiments to Improve Students' Understanding of the Global Warming Concept Nidiasari, Yannika; Fenetiruma, Yufita; Mamary, Natalia Steni; Matonda, Kristin Seru; Mangkasa, Nia; Yenusi, Angganeta; Malat, Delila; Supriyatna, Supriyatna; Yekwam, Emma; Wandosa, Dorsila; Prasetyo, Dwi Heri; Kumbara, Aji
Equator Science Journal Vol. 4 No. 1 (2026): Equator Science Journal (ESJ)
Publisher : CV. Dharma Samakta Edukhatulistiwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61142/esj.v4i1.330

Abstract

Global warming is an important global environmental issue for students to understand since junior high school (SMP) level. However, students' conceptual understanding of this material is still relatively low because it is abstract and often presented theoretically. This study aims to determine the improvement in junior high school students' understanding of the concept of global warming through the implementation of STEM-based learning using greenhouse effect experiments. This study used a quantitative approach with a quasi-experimental design of one-group pretest–posttest type. The subjects were 11 eighth-grade junior high school students. The research instruments were conceptual understanding tests given before (pretest) and after (posttest) the treatment, as well as observation sheets for the implementation of learning. Data were analyzed using descriptive statistics and N-Gain calculations. The results showed that the average posttest score (62.73) was higher than the average pretest score (54.55). However, the N-Gain calculation result of 0.18 is in the low category. This finding indicates that the implementation of STEM-based learning through the greenhouse effect experiment can improve students' understanding of the concept of global warming, although the improvement obtained is still relatively low. Therefore, STEM-based learning needs to be implemented sustainably and combined with other learning media to increase the effectiveness of students' conceptual understanding.
Co-Authors Ani Umkabu, Siti Dwi Budi Santoso Efendi, Fajar Febrian Andi Hidayat Jaharudin, Jaharudin Kumbara, Aji Malat, Delila Mamary, Natalia Steni Mangkasa, Nia Matonda, Kristin Seru Nidiasari, Yannika Prasetyo, Dwi Heri Ramadany, Lisa Dewi Ronetha Burdam, Yakomina Suega, Salsabila Supriyatna Supriyatna Wandosa, Dorsila Yekwam, Emma Yenusi, Angganeta