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Practical Biogas Production-Based Environmental Education for Students at State Junior High School 3 in Bengkulu City Rosane Medriati; Desy Hanisa Putri; Tiara Hardyanti Utama; Netriani Veminsyah Ahda; Dennis Jovani Harryson Siregar; Ahmad Khairul Pajri; Syed Jawad Zaren; Jarwati Ayuna Putri
Aktual: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2026): Aktual: Jurnal Pengabdian Kepada Masyarakat
Publisher : CV Media Inti Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58723/aktual.v4i2.698

Abstract

Background: Strengthening renewable energy literacy at the secondary education level is a strategic step toward fostering students’ ecological awareness and environmental conservation skills. Biogas, as an alternative energy source derived from organic waste, holds great potential for integration into hands-on learning to enhance students’ conceptual understanding and scientific skills.Objectives: This community service activity aims to introduce biogas technology through hands-on, practice-based education and to analyze students’ responses to the implementation of environmental learning.Methods: The implementation followed a comprehensive pedagogical framework consisting of lectures, interactive discussions, and demonstrations, complemented by hands-on biogas production practices. The program involved 50 students who actively participated in all learning activities and practical sessions throughout the implementation process. Students utilized simple teaching aids crafted from fruit waste and microbial activators (molasses and EM4), with program efficacy evaluated through pre-tests, post-tests, and student response assessments.Results: The activity resulted in a measurable increase in students’ knowledge and skills regarding waste categorization and organic waste management. Participants successfully demonstrated an understanding of the fermentation process required to convert organic waste into methane gas using simple teaching aids.Conclusion: The integration of practical biogas technology into the secondary curriculum effectively bridges the gap between theoretical ecological concepts and real-world environmental skills. Both teachers and students benefited from the hands-on approach, proving that localized renewable energy innovations are viable tools for enhancing scientific literacy.  
Development of Augmented Reality Based Interactive E-LKPD to Improve Students’ Physics Concept Understanding on Alternative Energy Helen Ulbrid; Desy Hanisa Putri; Netriani Veminsyah Ahda
Kasuari: Physics Education Journal (KPEJ) Vol. 9 No. 1 (2026): June 2026
Publisher : Universitas Papua, Jurusan Pendidikan Fisika FKIP Unipa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37891/kpej.v9i1.1240

Abstract

This study aims to develop an interactive e-LKPD based on Augmented Reality (AR) on alternative energy materials at the high school level and describe the feasibility, effectiveness of improving students' understanding of concepts, and students' responses to the use of interactive e-LKPD utilizing Augmented Reality (AR). The research method applied is Research and Development with the ADDIE  model which includes analyze, design, development, implementation, and evaluation. The subjects of this study are 36 students in class X at one of the high schools in Bengkulu City. The product feasibility test was carried out by three validators consisting of two physics lecturers and one high school physics teacher. The data collection process is carried out through validation sheets, questionnaires given to students, and concept understanding tests through pretests and posttests. The findings of this study show that e-LKPD is very feasible with a percentage of 89.93% from three validators. The results of the students' responses were categorized as very good with a percentage of 90.34%. The results of  the pretest and posttest of the  AR-based interactive e-LKPD show the effectiveness of increasing the value of student concept understanding as shown by the N-Gain number  which is in the high category with a value of 0.80. Thus, Augmented Reality-based interactive e-LKPD has the potential to become a physics teaching material that supports improving students' understanding of concepts on alternative energy materials.