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PENDIPA Journal of Science Education
Published by Universitas Bengkulu
ISSN : 20869363     EISSN : 26229307     DOI : -
Core Subject : Science, Education,
Chemistry Education Mathematics
PENDIPA Journal of Science Education is a peer-reviewed, open-access journal covered all aspect of science and science education. PENDIPA journal welcomes the submission of scientific articles related to mathematics, physics, chemistry, biology, and its educational implementation in a school, higher education and other educational institution. We encourage scientist, lecturer, teacher and student to submit their original paper to the journal. PENDIPA journal is published by Graduate School of Science Education - University of Bengkulu, three times a year on February, June and October
Arjuna Subject : -
Articles 566 Documents
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Pengembangan Bahan Ajar e-Book Berbasis Science, Environment, Technology, Society (SETS) Terintegrasi Kearifan Lokal Untuk Menunjang Kemampuan Pemecahan Masalah Peserta Didik Nazilah, Eneng; Alamsyah, Trian Pamungkas; Suryani, Dwi Indah
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.844-852

Abstract

To improve the problem-solving skills of junior high school students, this study developed teaching materials in the form of e-Books based on the Science, Environment, Technology, and Society (SETS) approach. This approach was integrated with Banten local wisdom on the material of Elements, Compounds, and Mixtures. The development process was carried out using the ADDIE model which has five phases, namely Analyze, Design, Development, Implementation, and Evaluation. The quality of the e-Book was calculated through a validation process carried out by material experts, teaching material experts, and practitioners, while limited trials were carried out with students using a response questionnaire. The validation results proved that the e-Book had a "very valid" level of validity with a score of 90.90% in terms of content, appearance, presentation, and relevance to local wisdom. Meanwhile, student responses showed a "very positive" response with a percentage of 88.34%. This shows that the SETS-based e-Book integrated with local wisdom is worthy of being used as an alternative innovative teaching material in an effort to support students' problem-solving skills.
Efikasi Antibakteri; Staphylococ pengembangan e-modul mikrobiologi berbasis penelitian pemanfaatan kulit buah kabau sebagai antibakteri untuk meningkatkan keterampilan berpikir kritis mahasiswa Sitorus, Lizken; Sipriyadi; Nursa’adah, Euis
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.861-865

Abstract

The bark of the traditional plant, Archidendron bubalinum, known locally as kabau, exhibits promising qualities as a natural antibacterial agent. This research was conducted with two main objectives: (1) to evaluate the antibacterial efficacy of kabau fruit peel extract against two common pathogenic bacteria, Staphylococcus aureus and Escherichia coli, and (2) to design, validate, and assess the effectiveness of a research-based Microbiology E-Module in fostering students' critical analytical skills. The antibacterial capacity was tested using the paper disc diffusion method across a range of extract concentrations (5%, 10%, 20%, 40%, and 80%), using both pure water (aquades) and 2% dimethyl sulfoxide as carriers. Statistical analysis (one-way ANOVA, p = 0.020 < 0.05) indicated a notable difference in the zone of inhibition diameter across the various concentrations. The most potent antibacterial effect was observed at the 80% concentration with the aquades solvent, yielding inhibition zones of 3.97 mm against S. aureus and 8.42 mm against E. coli. These empirical results served as the core content for the innovative E-Module. The developed E-Module attained a high level of validity, achieving a CVR score of 1.00 from 5 expert validators, thus confirming its readiness for use. Subsequent evaluation during instructional application revealed a marked elevation in students' critical thinking abilities. Students in the Biology Department at FMIPA, Universitas Bengkulu, showed an initial mean pre-test score of 41.67, which surged to 88.00 in the post-test. This change resulted in an N-gain score of 0.79, positioning the improvement in the "high" category. Therefore, A. bubalinum extract is confirmed to hold antibacterial potential, and the E-Module is proven to be an effective educational tool for enhancing students' critical thinking competence.
Kepayang (Pangium edule Reinw), PENGARUH PEMBERIAN EKSTRAK PROTEIN TOTAL KOTILEDON BIJI KEPAYANG (Pangium edule Reinw) TERHADAP PENGGUMPALAN SPERMATOZOA SAPI ( Bos taurus ) Sitorus, Lizken; Haryanto, Hery; Ruyani, Aceng
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.887-896

Abstract

The effect of administering total cotyledon protein extract from kepayang seeds (Pangium edule Reinw) on cow spermatozoa (Bos taurus) was conducted from March - April 2015, in the Basic Science laboratory of biology, FMIPA UNIB and the biology garden of FKIP UNIB. The purpose of this study was to explain the effect of administering total cotyledon protein extract from kepayang seeds on the agglomeration of cow spermatozoa. The steps of this study were the total cotyledon protein of kepayang seeds extracted, protein precipitation, determination of total cotyledon protein content of kepayang seeds (P. edule), and treatment of cow spermatozoa agglomeration. The analysis used was ANOVA with 10 treatments and 3 repetitions. Based on the results of data analysis, the sediment at 50% ammonium sulfate gave an average coagulation time of bovine spermatozoa of 132 seconds with a total protein content of 56.15 mg/mL.
AP Anesthesia Analysis of the Implementation of the Refuse-Derived Fuel (RDF) Pilot Test in Rorotan, North Jakarta, in Advancing National Energy Security: Indonesia Anesthesia, Annisa Priska; Supriyadi, Imam; Purwantoro, Susilo Adi
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.853-860

Abstract

The escalating national energy demand and Indonesia's substantial reliance on fossil fuels underscore the imperative for the development of more sustainable alternative energy sources. Conversely, the magnitude of waste management challenges in DKI Jakarta persists, exerting an additional strain on the operational capacity of the Bantargebang TPST. Refuse Derived Fuel (RDF) is regarded as a strategic solution that can address the need for waste reduction and the provision of alternative energy. The objective of this study is to analyze the implementation of the RDF Plant Rorotan trial in DKI Jakarta using the implementation theory approach of Mazmanian & Sabatier and Allan McConnell's Policy Failure Theory model (2010). The methodological approach employed is descriptive qualitative, with data collection through documentation studies and observation.  The results of the study indicate that RDF Rorotan faces various technical, institutional, and social obstacles. According to the findings of Mazmanian & Sabatier's analysis, the characteristics of the problem, the clarity of policy objectives, coordination between relevant actors, and social environment support proved inadequate for achieving effective implementation. The presence of technical challenges, including elevated moisture content in waste, unpublished RDF quality, the ambiguity of off-takers, and complaints from residents regarding odors and health disturbances, suggests a suboptimal level of implementation readiness. McConnell's analysis corroborates the finding that RDF Rorotan is in a position of precarious success, which has resulted in policy failure in three areas: process, program, and politics. Indicators of early implementation failure include declining operational capacity, community resistance, and weakening policy legitimacy. The study's findings indicate that Rorotan RDF has not adequately fulfilled its designated role as a waste management solution and an energy alternative for national energy security. To optimize the potential of RDF, there is a necessity for improvements in quality standards, strengthened coordination, data transparency, and comprehensive environmental management strategies.
IMPLEMENTASI E-MODUL BERBASIS LITERASI SAINS TEMA AYO SIAGA BENCANA UNTUK MELATIH KEMANDIRIAN BELAJAR SISWA SMP Agustin, Salshanabilla; Vitasari, Mudmainah; Resti, Vica Dian Aprelia
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.878-886

Abstract

Achieving learning objectives in a successful learning process cannot be separated from one of the students' internal factors, namely independence, especially learning independence. One of the development research that has been carried out by Kristina (2022) is to produce supporting products for teaching materials that can encourage student independence in the form of electronic modules (e-modules). Therefore, efforts are made to implement the E-module to train students' independent learning. This research aims to analyze the implementation of a scientific literacy-based e-module with the theme Let's Prepare for Disasters in training junior high school students' independent learning. The research subjects were class VII students of SMP Negeri 2 Kramatwatu who took science lessons using the e-module. The research method used is descriptive qualitative with data collection techniques in the form of observing learning implementation, observing students' independent learning activities, and learning independence questionnaires. The results of the research showed that the implementation of learning using e-modules went very well, reaching 93.4% at the first meeting and 96.4% at the second meeting. Observations of student learning independence showed an average observation result of 74.3% at the first meeting and 86.1% at the second meeting. Student learning independence questionnaire data supports observation results with an average of 81.1% in the "very good" category. These data show that the e-module based on scientific literacy with the theme Let's Prepare for Disasters is able to effectively train junior high school students' learning independence, as seen from the consistency between learning implementation, student activities in learning independence, and the results of students' perceptions through the learning independence questionnaire.
Pemanfaatan Teknologi Satelit untuk Mitigasi Bencana dan Penguatan Resiliensi Nasional terhadap Ancaman Geospasial di Indonesia: Indonesia Afriyanto, Mulya; Supriyadi, Asep Adang; Arief, Syachrul; Waluyo, Dangan
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.866-877

Abstract

Indonesia is one of the countries with the highest level of geospatial disaster risk due to its position on the Pacific Ring of Fire and its exposure to earthquakes, tsunamis, volcanic eruptions, floods, and landslides. The increasing complexity and frequency of disasters, exacerbated by climate change, demands a faster, more accurate, and integrated monitoring system. However, previous studies have focused more on the technical aspects of disaster monitoring without comprehensively examining the strategic role of satellite technology in strengthening Indonesia's national resilience. This gap is the basis for this study. This study aims to analyze the contribution of satellite technology in disaster mitigation and assess how satellite data integration can strengthen national resilience to geospatial threats. The method used is a systematic literature review of reputable international publications from 2014 to 2025 that discuss remote sensing technology, InSAR, damage mapping, early warning systems, and geospatial integration for disaster risk management. The results of the study show that satellite technology plays an important role in three main aspects: (1) real-time disaster monitoring through multisensor data capable of covering a wide area; (2) improving the accuracy of early warning systems for various geospatial disasters; and (3) strengthening national resilience through support for damage mapping, rapid response, strategic decision-making, and inter-agency coordination. The novelty of this research lies in the development of an integrative synthesis that links the use of satellite data with Indonesia's national resilience framework, as well as the affirmation of the need to integrate satellite technology into national disaster management policies. These findings have important implications for strengthening modern mitigation systems and adapting to the escalation of geospatial risks in the future.
The Effectiveness of the Brain Out Chemistry Game as a Learning Media to Improve Students’ Learning Outcomes and Retention on the Periodic System of Elements Material: Efektifitas Permainan Brain Out Chemistry Sebagai Media Pembelajaran untuk Meningkatkan Hasil Belajar dan Retensi Peserta Didik pada Materi Sistem Periodik Unsur Puspita, Widia Indah; Lutfi, Achmad
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.897-904

Abstract

This study aims to determine the effectiveness of using the Brain Out Chemistry learning media in This study aims to determine the effectiveness of the Brain Out Chemistry game-based media in improving students’ cognitive abilities, learning activities, and retention of learning outcomes on the Periodic System of Elements. The research was conducted at SMA Negeri 15 Surabaya involving 34 tenth-grade students using a One-Group Pretest–Posttest Design. The research instruments included cognitive tests (pretest, posttest 1, and posttest 2 as the retention test) and student activity observation sheets. Data were analyzed using the Wilcoxon Signed Ranks Test through SPSS. The results showed a significant increase between the pretest and posttest scores (sig. 0.000 < 0.05). The average score of posttest 1 was 85.87, which decreased to 76.86 in posttest 2, resulting in a retention value of 89,5%, categorized as high. Student learning activities also improved, as indicated by observation scores falling within the active category. Classically, the learning mastery rate exceeded 85%. Thus, the Brain Out Chemistry game-based media is effective because it enhances cognitive abilities, maintains learning retention, and promotes student learning activities in chemistry instruction.
Decarbonizing Indonesia’s Nickel Smelters: Implications for Energy Security, Carbon Pricing, and Green Finance Policies Sari, Sholihah Eka Permata; Sasongko, Nugroho Adi; Yoesgiantoro, Donny
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.905-912

Abstract

As the world’s largest nickel producer, Indonesia faces critical challenges in decarbonizing its nickel smelting sector while maintaining economic growth. This study addresses the lack of integrated assessments of carbon pricing impacts and green finance mechanisms in Indonesia’s nickel industry, using exclusively secondary data from government reports (BPS, MEMR), global databases (IEA, Global Carbon Atlas), and policy documents. A gate-to-gate Life Cycle Assessment (ISO 14044) reveals that Indonesian nickel smelters emit 14.8 tons CO₂-eq per ton of product (IEA, 2023), 25% higher than the global average. Economic modeling, based on nickel price trends (LME, 2020–2023) and carbon tax scenarios, indicates that a $40/ton CO₂ tax would raise production costs by 15%, reducing export competitiveness by 6.2% under current market conditions. Policy analysis highlights the feasibility of green bonds and fiscal incentives for renewable energy adoption, referencing successful cases in the Philippines (RE Law, 2022). These findings provide a data-driven framework for aligning Indonesia’s nickel industry with its 2060 net-zero target, emphasizing the role of secondary data in shaping low-carbon transitions for resource-rich economies.
The Pengaruh Model Learning Cycle Type 7E untuk Meningkatkan Kemampuan Berpikir Kritis Peserta Didik Kelas VII pada Konsep Perubahan Zat Pada Kehidupan Sehari - hari Karunia Waen, Thetia; Nestiadi, Adi; Berlian, Liska
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.922-929

Abstract

Lack of student understanding of learning materials often results in low learning outcomes. Therefore, selecting the right learning model is an important factor in achieving learning objectives, because it can help students understand the material more deeply. One approach that is considered effective and innovative is the Learning Cycle Type 7E model. This study aims to analyze the effect of implementing the Learning Cycle Type 7E model on students' critical thinking skills on the concept of Changes in Substances in Daily Life. The research method used was a quasi-experimental design with a nonequivalent control group design, which was carried out in one of the Public Junior High Schools in Serang City. The research sample was selected using a purposive sampling technique, consisting of 36 students in the experimental class and 36 students in the control class. Data collection was carried out using a test instrument in the form of HOTS (High Order Thinking Skills) questions that had passed validity and reliability tests. The results showed that the application of the Learning Cycle Type 7E model had a significant effect on improving the critical thinking skills of eighth grade students on the concept of changes in substances in daily life. Based on the results of the Independent Sample T-Test, a significance value (Sig. 2-tailed) of <0.001 was obtained, which is smaller than 0.05. In addition, the results of Group Statistics show that the average pre-test score of the experimental class was 37.54, while the control class was 34.78. Meanwhile, the average post-test score of the experimental class reached 41.51, higher than the control class which obtained an average of 36.59. These findings indicate that the Learning Cycle Type 7E model is effective in improving students' critical thinking skills.
Pengaruh Model Discovery Learning Berbantuan LKPD Multirepresentasi terhadap Keterampilan Argumentasi Ilmiah Siswa SMP pada Pembelajaran IPA Agustiyani, Silvia; Supeno; Budiani, Lilik
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.930-938

Abstract

The scientific argumentation skills of junior high school students are still at a low level, especially in constructing claims, data, and warrants, due to teacher-centered learning. This study examines the effect of the discovery learning model supported by multirepresentation worksheets on students’ scientific argumentation skills. The method used was quasi-experimental with a non-equivalent control group design in two seventh grade classes at SMPN 6 Jember. Data were obtained through descriptive test and analyzed using normality, homogenity, and independent sample t-test. The statistical test results showed a significance value of 0.001 (<0.05), indicating that the discovery learning model supported by multirepresentational worksheets had a significant effect on students’scientific argumentation skills in science learning.

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