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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Justek : Jurnal Sains Dan Teknologi
Nazarudin Nazarudin
Magister Pendidikan IPA, Pascasarjana, Universitas Jambi
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Education Materials Science & Nanotechnology Mathematics Physics

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A Project-Based Learning Approach for Chemical Engineering Students Involving Waste Cooking Oil Biodiesel Production for Portable Stove Application Rahma Amalia; Rosmawati Sipayung; Nazarudin
Jurnal Penelitian Pendidikan IPA Vol 11 No 6 (2025): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i6.11134

Abstract

This study implemented project-based learning in a bioenergy engineering course at the Pondok Meja Campus, Universitas Jambi, involving 17 chemical engineering students during the first semester of the 2024/2025 academic year. Conducted over 13 weeks, the project involved biodiesel production from waste cooking oil using NaOH and CaO catalysts, followed by fuel application in a portable stove. The highest biodiesel yield was 92.3% (3% NaOH, 1:6 oil-to-methanol) and 42.0% (6% CaO, 1:12). The density ranged from 0.87 to 0.89 g/cm³, with stove fuel consumption rates of 0.0607 ml/s (NaOH) and 0.0412 ml/s (CaO). Evaluation involved class participation, lab performance, product presentation, and final reporting, yielding an overall project score of 87/100. Student feedback showed high agreement (mean 4.45/5) in teamwork, problem solving, critical thinking, time management, and proactiveness, supported by lecturer assessments (13.1/15). Challenges included equipment limitations and time constraints, yet all groups completed the project on time. This hands-on approach effectively achieved subject-specific and transferable skills, fostering engineering competence and readiness for real-world bioenergy challenges.
Religious Values Integration in STEM-R Based Science Learning: Insights From Jambi Teachers Mhd. Abror Muzakkir Muda; Sri Purwaningsih; Nazarudin Nazarudin; Musli Musli
Justek : Jurnal Sains dan Teknologi Vol 9, No 1 (2026): March
Publisher : Unversitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/justek.v9i1.37319

Abstract

The integration of religious values in STEM education remains underexplored, particularly within the context of Islamic-based schools in Indonesia. Understanding how science teachers perceive and implement such integration is crucial for developing culturally responsive pedagogy. This study aims to explore the perceptions, strategies, and challenges faced by science teachers in implementing STEM-R (Science, Technology, Engineering, Mathematics–Religious) in their classrooms. Using a qualitative descriptive method, data were collected through in-depth interviews, classroom observations, and document analysis involving selected science teachers from Islamic-based senior high schools. Visual clustering and thematic analysis were employed to interpret data. The study focused on identifying emotional responses, instructional strategies, reflective practices, and perceived student outcomes related to the STEM-R approach. Findings indicate that teachers perceive STEM-R positively, describing it as spiritually meaningful and pedagogically enriching. The study concludes that STEM-R facilitates holistic education by integrating scientific understanding with ethical and spiritual development. This research contributes to the field by offering empirical insight into STEM-R implementation and proposing a practical model for faith-integrated STEM pedagogy in religious education contexts.
Co-Authors Mhd. Abror Muzakkir Muda Musli Musli Rahma Amalia Rosmawati Sipayung Sri Purwaningsih