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Jurnal Pijar MIPA
Published by Universitas Mataram
ISSN : 19071744     EISSN : 24601500     DOI : -
Core Subject : Science, Education,
Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics
Jurnal Pijar MIPA (e-ISSN: 2460-1500 & p-ISSN: 1907-1744) is an open-access scientific periodical journal published by the Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA publishes original articles on current issues and trends in mathematics-science-science education studies. In addition, this journal addresses issues concerning environmental education and environmental science. The journal scopes are: a. Physics and Physics Education b. Chemistry and Chemistry Education c. Biology and Biology Education d. Natural Science and Science Education e. Mathematics and Mathematics Education f. Environmental and Environmental Education
Arjuna Subject : Umum - Umum
Articles 1,266 Documents
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Formulation and Antimicrobial Evaluation of Bar Herbal Soap with Cinnamon Bark Powder Neny Sandrawati; Fivit Andriani; Yuni Mala Sari; Della Rosalynna Stiadi; Anggela Marta Tasman
Jurnal Pijar MIPA Vol. 21 No. 3 (2026)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i3.11963

Abstract

Soap is an essential personal care product that not only cleanses the skin but can also provide additional health benefits, such as antibacterial protection. Cinnamon (Cinnamomum sp.) contains bioactive compounds, including flavonoids, phenolics, and cinnamaldehyde, which have demonstrated antibacterial activity. This study aims to formulate and evaluate a solid herbal soap containing cinnamon bark powder at different concentrations, and to assess its physicochemical properties and antibacterial activity against Staphylococcus aureus. The methods used include soap production via saponification of oil and an alkali base, followed by the addition of cinnamon bark powder as the active ingredient. The evaluation included organoleptic, homogeneity, pH, and foam stability tests to assess the formulation's physical and chemical quality. The antibacterial activity of the cinnamon herbal soap was tested against Staphylococcus aureus using the agar diffusion method with three replicates. The results showed that the herbal solid soap was stable and homogeneous, meeting the physical and chemical requirements for soap. The antibacterial test showed the formation of inhibition zones with diameters of 9.33 ± 0.58 mm, 10.08 ± 1.13 mm, and 11.67 ± 1.44 mm at test concentrations of 10%, 20%, and 30% w/v, respectively. These findings indicate that the cinnamon bark- based herbal soap has potential as a natural antibacterial cleansing product. Further optimization is required to enhance product quality, long-term stability, and safety.
Analysis of the Design and Feasibility of Volta Drive Connect as a Renewable Energy-Based Science Media to Strengthen the Pancasila Students’ Profile Khaerini Rahmania; Nasokah Nasokah; Ashief El Qorny
Jurnal Pijar MIPA Vol. 21 No. 3 (2026)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i3.11964

Abstract

Science learning on renewable energy concepts in elementary schools today is often theoretical, conventional, and lacks contextual hands-on experience for students. This study aims to comprehensively describe the physical design characteristics of a renewable energy-based science learning media called Volta Drive Connect, analyze its technical and instructional feasibility level, and explore its potential in depth in strengthening the dimensions of the Pancasila Student Profile (PPP). The method used in this study is a mixed-methods approach with a convergent parallel design, in which data are collected simultaneously through passive participatory observation of classroom learning dynamics, semi-structured interviews with teachers and grade IV students at Kakuka National Elementary School, and documentation of artefacts of student learning outcomes in the field. The results of the study showed that the Volta Drive Connect science media met the excellent eligibility criteria for children's work safety, ease of operation, clarity of visual guide instructions, and educational practical value in the classroom, with an average expert-rated validity of 92%. This solar vehicle science teaching kit is designed adaptively, which is divided into three levels of mechanical complexity (Beginner, Intermediate and Advanced) and utilizes local inorganic recycled materials as the main chassis component. From the pedagogical side of the Independent Curriculum, the use of concrete media is actually able to actualize the dimensions of the Pancasila Student Profile holistically. The actualization includes the dimensions of 'Faith and Fear of God Almighty, and Noble Character' which is stimulated through the growth of ecological awareness, the dimensions of 'Critical Reasoning' and 'Creative' which are honed through solar energy conversion experiments and mechanical troubleshooting activities independently, as well as the dimension of 'Gotong Royong' which is formed from collaboration in solving technical problems in groups.
Development of an E-Module Assisted by Augmented Reality on Digestive System Material to Improve Elementary Students' Critical Thinking Skills Adinda Zulfa Kamila; Aldina Eka Andriani
Jurnal Pijar MIPA Vol. 21 No. 4 (2026): in Progress
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i4.11970

Abstract

Digital teaching materials, such as e-modules in basic science that utilise technology, have not yet been implemented in learning, resulting in 56% of students having low critical thinking skills. This study aims to describe the development design and to test the feasibility and effectiveness of an Augmented Reality-assisted e-module to improve the critical thinking skills of V-grade students at SDN Pendrikan Lor 03, Semarang City. This type of research is Research & Development (R&D) with the ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation). The research subjects were 25 V-grade students. The data collection technique used non-test methods (observation, interviews, questionnaires, and documentation) and test methods (pretest and posttest). The data analysis technique used normality tests, homogeneity tests, t-tests, and N-Gain tests. The feasibility of the e-module assisted by Augmented Reality is proven by the assessment of the material expert validator of 91% and the media expert validator of 95% in the very feasible category, supported by the results of the teacher response questionnaire analysis of 92.5% and the student response questionnaire of 90.3% in the very feasible category. The effectiveness of the e-module assisted by Augmented Reality is evidenced by an increase in pretest and posttest scores of 20.26, supported by a t-test result of 0.000, and an N-Gain score of 0.5314, which falls within the medium range. The research on the e-module assisted by Augmented Reality for the digestive system material was successfully developed, is very feasible, and is effective in improving the critical thinking skills of V-grade students at SDN Pendrikan Lor 03, Semarang City.
Analysis of Seawater Quality in Seaweed Farming Areas of Labuhan Kertasari Village, West Sumbawa Regency Anang Fajrin; Abdul Rahman
Jurnal Pijar MIPA Vol. 21 No. 3 (2026)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i3.11973

Abstract

Seawater quality is a key factor determining the success of seaweed cultivation. Unsuitable water quality conditions can lead to reduced productivity or even the failure of seaweed cultivation. This study aims to analyze seawater quality at a seaweed cultivation site in Labuhan Kertasari Village, West Sumbawa Regency, to identify the factors causing cultivation failures that have occurred over the past year. Water quality is a critical factor influencing seaweed growth and productivity; therefore, a comprehensive evaluation of the water’s physical and chemical parameters is necessary. The research method used was quantitative descriptive, with sampling conducted at three horizontal points along a ±1 km stretch, each repeated three times. The parameters analyzed included temperature, salinity, dissolved oxygen (DO), pH, turbidity, current velocity, nitrate, and phosphate, measured in situ and through laboratory analysis. The results of the study indicate that most water quality parameters remain within the optimal range for seaweed cultivation, namely temperature 28–30°C, salinity 31–34 ppt, DO 4.2–6 mg/L, pH 6.4–8.2, turbidity 50–210 cm, current velocity 0.35–0.43 m/s, and phosphate at 0.03 mg/L, so that, in general, water conditions still support seaweed growth. However, nitrate levels were not detected at any sampling site, indicating low availability of nitrogen nutrients in the water. This suggests a potential nutrient limitation that could affect seaweed growth. Therefore, further analysis is needed regarding the role of nitrate nutrients in seaweed growth in Labuhan Kertasari Village. In addition, nutrient management strategies and regular water quality monitoring are needed to improve the success of seaweed aquaculture in the future.
Development of Volta Drive Connect Media to Strengthen Energy Literacy of Elementary School Students Firnanda Millatin Afina; Ahmad Khoiri; Vava Imam Agus Faisal
Jurnal Pijar MIPA Vol. 21 No. 4 (2026): in Progress
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i4.12015

Abstract

Science learning in elementary school often faces obstacles in conveying abstract concepts such as energy transformation, so it requires concrete learning media. This research aims to develop Volta Drive Connect, a project-based science teaching kit in the form of a solar-powered toy car, and to test its feasibility, practicality, and effectiveness in improving students' energy literacy. Using the Research and Development (R&D) method with the ADDIE model, this research was conducted with grade IV students at SD Nasional Kakuka and SD Negeri Simbarejo. The results of expert validation show that the design of the materials and media is highly feasible. In the effectiveness test, Volta Drive Connect proved to be significant in improving students' energy literacy. This was demonstrated by the paired-samples t-test (p<0.05), indicating an increase in the average score from 66.8 to 78.3. The use of this media not only motivates students and increases environmental awareness but is also aligned with the achievement of the Sustainable Development Goals (SDGs). In practice, this media provides an alternative innovative solution for teachers in facilitating student-centered basic science learning. In addition, the implementation of Volta Drive Connect encourages students to actively participate in learning through hands-on experimentation and collaborative activities. Students are involved in assembling and testing solar-powered toy cars, allowing them to understand the concept of energy transformation through real-world experiences. It also supports the development of science process skills, such as observation, problem-solving, and teamwork, which are important competencies in basic science education. Therefore, Volta Drive Connect not only contributes to improving students' conceptual understanding of energy but also to fostering positive attitudes towards renewable energy and sustainable environmental practices.
Implementation of Virtual Laboratory-Based Interactive Learning Media for Students' Science Literacy Skills on Temperature and Heat Material Perlis Tantalama; Tirtawaty Abdjul; Nurhayati Nurhayati; Abdul Haris Odja; Mohammad Yusuf
Jurnal Pijar MIPA Vol. 21 No. 3 (2026)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i3.12050

Abstract

The low scientific literacy of students in Indonesia is caused by the monotonous learning process that makes students bored with learning. This study aims to determine the effect of a virtual laboratory based on PhET simulation on students' scientific literacy in temperature and heat. This study used a quasi-experimental, non-equivalent control-group design with two experimental and two control classes of seventh-grade students during the 2025/2026 academic year. Data were collected using pre-test and post-test scientific literacy instruments. The results of the independent-samples t-test showed a significance value (Sig. 2-tailed) of 0.000 < 0.05, indicating a significant effect of the virtual laboratory on students' scientific literacy. In addition, the N-Gain analysis showed that the control class was in the low category (0.17 and 0.14), while the experimental class was in the medium category (0.63). The uniqueness of this study lies in integrating a virtual laboratory based on PhET simulations with scientific literacy indicators in teaching temperature and heat. These findings indicate that virtual laboratory media can effectively improve students' scientific literacy. PhET simulation-based virtual laboratories can serve as an effective technology-enhanced learning tool to improve students' scientific literacy, particularly in understanding temperature and heat concepts in junior high school science education.

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