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Abdul Gani Haji
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JIPI (Jurnal IPA dan Pembelajaran IPA)
Published by Universitas Syiah Kuala
ISSN : 26140500     EISSN : 2620553X     DOI : https://doi.org/10.24815/jipi.v7i3.31681
Core Subject : Science, Education, Social,
Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science Physics
JIPI (Jurnal IPA dan Pembelajaran IPA) aims to serve original articles on the latest issues and trends in high-quality research focused on technology-integrated science and/or science learning (chemistry, biology, physics, and environment). Technology integration includes learning media, curriculum, assessment processes and science learning outcomes, as well as the application of the latest technology in pure science research. The editors welcome submissions of papers on recent theoretical and experimental research related to: Results of theoretical and empirical research studies on science learning with integrated technology. We invite manuscripts that investigate science learning with the integration of web-based technology, Android, Arduino, nanotechnology, virtual labs, technological and pedagogical content knowledge research, STEM and/or STEAM, sociological issues, virtual reality, augmented reality, and other relevant issues. relevant to science learning. The results of research on the application of science learning media which focuses on studies related to the latest trends in the use of technology-based science learning media at all levels of education and in society. The results of research related to the implementation of the science learning curriculum (chemistry, biology and physics) have contributed to developing the latest trends in the implementation of the science learning curriculum with the integration of technology at all levels of education including science learning design, competency analysis and syllabus. The results of research related to the assessment of science learning processes and outcomes contribute to developing the latest trends in technology-integrated science learning assessment at all levels of education. The results of research related to science teacher education include original theoretical and empirical studies, including professional preparation of teachers, implementation of their work, and/or career development based on the latest technology. Research results related to technology-based science learning in everyday life outside the formal classroom. Papers should examine experiences in environments such as the community, home, internet, museums, and other aspects that develop interest, knowledge, and/or application of science. Science learning that emphasizes attention to aspects of problems and factors related to equality. Research results related to pure science research that is currently trending (chemistry, physics, biology and the environment).
Arjuna Subject : Umum - Umum
Articles 284 Documents
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Diversity of Ground-Dwelling Insects in Varoius Habitat Types of Lembah Sabil, Aceh Barat Daya Umami, Sharah; Sarong*, Muhammad Ali; Sayuthi, Muhammad; Safrida, Safrida; Djufri, Djufri; Hazmi, Izfa Riza; Emil, Muhammad Farhan Putra
Jurnal IPA & Pembelajaran IPA Vol 9, No 4 (2025): DECEMBER 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jipi.v9i4.49026

Abstract

Ground-dwelling insects play an important role in the decomposition of soil organic matter and serve as bioindicators of environmental degradation, which is reflected by the decline in insect diversity. This study aimed to determine the similarity and diversity levels of ground-dwelling insects and to produce an identification book across different habitat types in Lembah Sabil, Aceh Barat Daya. An exploratory survey method with purposive sampling was applied. The research subjects were all ground-dwelling insects inhabiting various habitats, with observations conducted at four sites in Lembah Sabil. Data were analyzed both quantitatively and qualitatively. The results showed that insect similarity was 59% between coffee plantations and secondary forests, 29% between coastal forests and nutmeg plantations, 36% between coastal forests and coffee plantations, 29% between coastal forests and secondary forests, 42% between coffee and nutmeg plantations, and 48% between nutmeg plantations and secondary forests. Diversity levels were categorized as moderate, with index values of 2.69 in coastal forests, 2.54 in coffee plantations, 2.25 in nutmeg plantations, and 2.43 in secondary forests. The feasibility test of the identification book yielded a score of 76%, indicating it is suitable for use. In conclusion, the similarity of ground-dwelling insects in coastal forests was low, while coffee plantations, nutmeg plantations, and secondary forests exhibited higher similarity. The diversity levels across all four habitat types were classified as moderate
Utilization of Sikkam Bark Extract on Iron Corrosion Inhibition in H2SO4 Solution: A Study on the Effectiveness of Iron Material Protection Sari*, Sri Adelila; Situmorang, Zukyandus Rivaldi; Sinaga, Ribka Angelia; Tarigan, Uci Gresia; Min, Ho Soon
Jurnal IPA & Pembelajaran IPA Vol 9, No 4 (2025): DECEMBER 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jipi.v9i4.48981

Abstract

Corrosion represents a major challenge in industrial systems due to its detrimental impact on the performance, safety, and durability of metallic materials, particularly carbon steel in acidic environments. This study evaluated the effectiveness of sikkam bark extract (Bischofia javanica Blume) as an eco-friendly corrosion inhibitor for carbon steel in sulfuric acid (H2SO4) solution. The extract, obtained via maceration using 96% ethanol, was applied in various concentrations to 15% HSO media, with specimens immersed for 24 hours at 30C. The corrosion behavior was analyzed through gravimetric measurements, pH monitoring, and surface morphology characterization using scanning electron microscopy (SEM). The highest inhibition efficiency of 95.56% was achieved at 5% inhibitor concentration in 5% H2SO4, accompanied by a significant reduction in mass loss and corrosion rate. The increase in solution pH after immersion confirmed the neutralization of H ions and the formation of a stable passive film composed of tanninFe complexes on the steel surface. SEM analysis further revealed a compact and continuous organic layer responsible for suppressing ion diffusion and electron transfer. These results demonstrate that sikkam bark extract functions as a highly efficient and sustainable green inhibitor, offering strong potential for corrosion mitigation in acidic environments relevant to petrochemical and industrial applications
E-Module of the Human Digestive System with Self-Directed Learning Readiness Framework to Improve Students' Science Literacy Syahira, Hany Qisthina; Pursitasari*, Indarini Dwi; Retnowati, Rita; Syarpin, Syarpin
Jurnal IPA & Pembelajaran IPA Vol 9, No 4 (2025): DECEMBER 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jipi.v9i4.48969

Abstract

Science literacy is a crucial competency in addressing the challenges of 21st-century learning. Low science literacy in biology subjects is important in science education. This research aims to develop e-modules for the human digestive system based on the self-directed learning readiness (SDLR) framework to enhance students' science literacy and independent learning readiness. This development research uses the analyze, design, develop, implement, and evaluate (ADDIE) model. Data were collected through expert validation tests, science teacher assessments, science literacy tests, SDLR questionnaires, implementation observations, and student response questionnaires to e-modules. The data was analyzed descriptively, quantitatively, and using N-Gain calculations. The results of the study demonstrate that the e-module on the human digestive system is proven to be valid, based on expert assessment with Aiken's V index of 0.84. The results of the teacher's assessment also demonstrated high validity, with content validity ratio (CVR) and contet validity index (CVI) scores of 0.98 and 0.99, respectively. The results of implementing the e-module showed an increase in science literacy and SDLR, with N-gains of 0.349 and 0.426 in the medium category. The highest increase occurred in the competence of explaining scientific phenomena and the desire to learn, with an N-gain of 50% each. Students responded positively to the e-module because it is easily accessible, attractive, and able to motivate students to learn independently. Thus, it can be concluded that the e-module on the human digestive system, based on self-directed learning readiness, can improve science literacy and students' readiness for independent learning
Development of a Project Based Learning STEM Learning Tool to Enhance Scientific Communication Skills and Learning Outcomes in Engineering and Technology Topic Wardani, Diana Widyaningtyas; Putra*, Pramudya Dwi Aristya; Gunawan, Arvidhea Safira; Lesmono, Albertus Djoko; Siswati, Bea Hana; Bunyamin, Muhammad Abd Hadi
Jurnal IPA & Pembelajaran IPA Vol 9, No 4 (2025): DECEMBER 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jipi.v9i4.49091

Abstract

Improving students scientific communication skills in the learning process has become a recent challenge. Scientific communication is one of the essential skills required, particularly in science education. The purpose of this research was to develop a learning tool of project based learning-science, technology, engineering, and mathematics (PjBL-STEM) to improve scientific communication skills and learning outcomes of the grade XII students on the topic of engineering and technology. This research employed a research and development (RD) method through 4-D model approach (define, design, develop, and disseminate). The study involved students of SMAN 5 Jember to implement a small (N=30) and large-scale (N=60) for this research. The research instruments of this study were expert validation, teacher and student response questionnaires, learning outcome tests, and scientific communication skills test. Expert validation showed that the learning tools (teaching instructional design, student worksheets, learning materials, and assessments) were excellent, with an average score above 4.0. Practicality tests by teachers and students confirmed the usefulness of this tool, categorizing it as "very practical" to "practical". In addition, the device significantly improved students' scientific communication skills (significance values of 0.001 and 0.000) and learning outcomes (mean scores of 77.43 for the small group and 77.35 for the large group). This study concludes that the developed PjBL-STEM device is feasible, practical, and effective in supporting 21st-century learning

Page 29 of 29 | Total Record : 284

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