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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 1,255 Documents
 122   123   124   125   126 
The Influence of the Use of Fluid and Thermodynamics KIT on Conceptual Shifts in Dynamic Fluid Material Dewi Astuti Saromeng; Asri Arbie; Abdul Haris Odja
Jurnal Pijar MIPA Vol. 21 No. 3 (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.v21i3.11717

Abstract

Physics learning often causes students to experience misconceptions, especially in fluid dynamics material. This study aims to analyze the effect of the use of the Fluid and Thermodynamics KIT on the shift in students' conceptions. This study used a quantitative approach with a one–group pretest–posttest design involving three experimental classes (replications 1 and 2) and a total of 90 students. The instrument used was a three-tier test to identify conception categories. Data analysis techniques were carried out using descriptive statistical analysis in the form of a percentage of conception shifts classified into positive shifts (↑), negative (↓), and no effect (ꓳ). The results showed that the Fluid and Thermodynamics KIT was characterised by positive conception shifts across all classes. The highest percentage of positive shifts was in the experimental class (73%), followed by replication 2 (56.33%) and replication 1 (53%). The negative shifts were 30%, 25.67%, and 15.67%, respectively, while the no-effect category was 17%, 21.33%, and 28%, respectively, in the experimental class, replication 1, and replication 2. These findings indicate that the Fluid and Thermodynamics KIT is effective in facilitating conceptual reconstruction and improving students' understanding of fluid dynamics.
Application of Local Wisdom-Based Discovery Learning Model to Improve Students' Learning Motivation Nilna Najwa Kamila; Beni Setiawan
Jurnal Pijar MIPA Vol. 21 No. 3 (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.v21i3.11739

Abstract

In the field of education, an individual's success in achieving learning competencies is influenced not only by intellectual factors but also by equally significant non-intellectual factors, such as self-motivation. The purpose of this study is to demonstrate that using a discovery learning model grounded in local wisdom improves students' learning motivation. This research measures the following characteristics of learning motivation: Attention, Relevance, Confidence, and Satisfaction (ARCS). Thirty-five kids from State Junior High School 1, Jetis Ponorogo's class VIII-B, served as the research subjects. As part of a quantitative research design, the study employed a pre-experimental type with a one-group pretest-posttest. Motivation levels were measured using a questionnaire, and learning implementation was observed using an observation sheet. N-Gain analysis and the Wilcoxon test were used to analyze the data.  learning motivation. Analysis of learning implementation data using Likert scale analysis. Learning motivation had improved, as indicated by an N-Gain score of 0.67, which is categorized as a medium gain. Furthermore, the Wilcoxon test yielded an asymptotic significance value (2-tailed) of <0.001, showing a significant difference between students' learning motivation before and after the local wisdom-based discovery learning was implemented. The percentage of learning implementation from the three meetings reached 92%, categorised as excellent.  Based on the results of the research, using a local wisdom-based discovery learning successfully raises students' motivation to learn. Among the motivation aspects, 'Confidence' showed the greatest improvement, whereas 'Satisfaction' recorded the lowest. Consequently, the application of this model should be integrated with reflection and meaning reinforcement to further improve students' learning satisfaction.
Characterization of Concrete with Rice Husk Ash (RHA) Based on Density, Porosity, and Sound Absorption Nurul Azmi Ridha; Rahmaniah Rahmaniah
Jurnal Pijar MIPA Vol. 21 No. 3 (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.v21i3.11774

Abstract

This study addresses the growing need for sustainable construction materials by utilizing agricultural waste as a value-added resource. This study investigates the effect of incorporating rice husk ash (RHA) with different particle sizes on the physical and acoustic properties of concrete blocks. Rice husk ash is an agricultural waste product rich in silica, offering significant potential as a supplementary construction material while contributing to sustainable waste management. Therefore, this research aims to analyze the influence of RHA particle size on the porosity, density, and sound absorption characteristics of concrete blocks. Concrete block samples were prepared using mixtures without RHA as a control and mixtures containing RHA with particle sizes sieved at 0.1 cm, 0.2 cm, and 0.3 cm. Prior to mixing, the rice husk ash was thermally treated in a furnace at 500 °C to obtain stable ash with appropriate mineral composition. Mineralogical analysis confirmed that the ash was predominantly composed of silica (Si). Porosity was determined based on the ratio of void volume to total volume, density was calculated from mass per unit volume, and sound absorption performance was evaluated using the sound absorption coefficient (α). The results show that RHA particle size significantly influences the properties of concrete blocks. The lowest porosity (9.38%) and the highest sound absorption coefficient (α ≈ 0.25) were achieved by the sample with a particle size of 0.1 cm, indicating improved acoustic performance. Meanwhile, the highest density of 663.33 kg/m³ was obtained from the 0.2 cm sample. These findings demonstrate that finer RHA particles enhance both the structural compactness and acoustic properties of concrete blocks, supporting their application as environmentally friendly construction materials.
Ethnoscience Study of Rangrang Woven Fabric from Seraya Karangasem as Supporting Material for Junior High School Science Education Ni Putu Dhita Prahita Prameswari; Kompyang Selamet; Putu Hari Sudewa
Jurnal Pijar MIPA Vol. 21 No. 3 (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.v21i3.11805

Abstract

The importance of linking science education to the local cultural context so that scientific concepts become more meaningful to students. This study aims to examine the potential of ethnoscience in the traditional rangrang woven fabric of Seraya, Karangasem, as a supplement to junior high school science curriculum. The study employs a descriptive qualitative research design using an ethnoscience approach. The research subjects included business owners, two weavers in Seraya Village, and three science teachers at SMP Negeri 3 Amlapura, selected through purposive sampling. Data were collected through observation, semi-structured interviews, and questionnaires, and analyzed using the Miles and Huberman model across the stages of data reduction, data presentation, and conclusion drawing. The results of the study indicate that the process of making rangrang woven fabric incorporates various scientific concepts, including the classification and transformation of materials in the use of natural dyes (indigo, noni, and others) and the process of spinning cotton into thread, the principles of simple machines in the use of traditional tools, concepts of heat and its transfer during the boiling process, pH concepts in the dyeing and color-fixing processes, as well as concepts of force, motion, and work in weaving activities. The conclusion of this study indicates that the entire process of making rangrang woven fabric is closely connected to the junior high school science curriculum and has the potential to serve as a contextual learning resource grounded in local wisdom. This integration of ethoscience can help students understand scientific concepts more tangibly while fostering awareness of cultural and environmental preservation.
Development of Monopoly-Based Media Using Game-Based Learning to Improve Elementary School Students’ Learning Outcomes Naura Nisrina Afifah; Dewi Nilam Tyas
Jurnal Pijar MIPA Vol. 21 No. 3 (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.v21i3.11815

Abstract

This research is based on the low achievement of science learning outcomes for fourth-grade students at Wonosari 03 Elementary School in Semarang City, which is caused by the lack of engaging concrete media, resulting in relatively low student activity levels, despite teachers' efforts to implement active learning models. The purpose of this study is to develop and test the feasibility and effectiveness of Monopoly media based on Game-Based Learning to improve students' cognitive science learning outcomes on flora and fauna topics in Indonesia. This research method uses a Research and Development approach with the ADDIE model, which includes analysis, design, development, implementation, and evaluation. Data collection was conducted through observation, interviews, questionnaires (including media and material expert questionnaires, as well as teacher and student questionnaires), documentation, and tests (pretest and posttest). The data analysis techniques used in this research include descriptive statistics, normality tests, paired-samples t-tests, and N-Gain tests. The results indicate that the developed media is considered highly feasible by media experts (95%) and material experts (93%). This is supported by teacher response questionnaires at 95% and student response questionnaires at 93.75%. The normality test indicates that the pre-test and post-test data are normally distributed, so a paired-samples t-test was conducted, yielding a p-value of 0.000 (< 0.05), indicating a significant difference in learning outcomes before and after the media implementation. The N-Gain test shows a value of 69.70% (moderate effectiveness). It can be concluded that the monopoly media on Game-Based Learning about the diversity of flora and fauna in Indonesia, developed, is considered very feasible and sufficiently effective in improving students' cognitive learning outcomes in grade IV IPAS at Wonosari 03 Public Elementary School in Semarang City.
Effect of the STAD Model Assisted by Wordwall on Junior High School Students’ Biotechnology Learning Outcomes Feby Alvyolyn Ujung; Idramsa Idramsa
Jurnal Pijar MIPA Vol. 21 No. 3 (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.v21i3.11825

Abstract

The low learning outcomes of students in biotechnology indicate the need for innovative, collaborative, and technology-integrated learning strategies that are aligned with the characteristics of learners in the digital era. This study aimed to analyze the effect of the Student Teams Achievement Division (STAD) cooperative learning model, assisted by Wordwall media, on students’ learning outcomes in biotechnology at SMP Negeri 23 Medan. This study employed a quasi-experimental design with a nonequivalent control group. The sample consisted of 62 students, including 31 students in the experimental class and 31 students in the control class, selected through purposive sampling. The research instrument was a 20-item multiple-choice cognitive achievement test that had been validated and shown to be reliable. Data were analyzed using descriptive and inferential statistics, including the Shapiro-Wilk normality test, Levene’s homogeneity test, and the Independent Samples t-test at a 5% significance level. The results showed that the experimental class's mean posttest score (75.48) was higher than the control class's (59.84). Hypothesis testing revealed a Sig. (2-tailed) value of < 0.001, indicating that the STAD learning model assisted by Wordwall had a significant effect on students’ learning outcomes. These findings demonstrate that integrating cooperative learning with interactive digital media can increase student engagement, strengthen conceptual understanding, and serve as an innovative instructional strategy for teaching conceptual and abstract science topics.
Application of Virtual Laboratory (PhET) Learning Media to Students' Scientific Literacy Skills at Junior High Schools Putri Pratiwi Abada; Tirtawaty Abdjul; Nurhayati Nurhayati; Abdul Haris Odja; Muhamad Yusuf
Jurnal Pijar MIPA Vol. 21 No. 3 (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.v21i3.11844

Abstract

21st-century learning demands that students possess critical thinking, creative, and problem-solving skills based on science literacy. However, observations at SMP Negeri 3 Kabila and SMP Negeri 1 Tapa indicate that science learning remains dominated by lecture methods and limited laboratory facilities, resulting in low process skills and student science literacy. This study aims to analyze the effect of implementing the PhET virtual laboratory learning media integrated with the Problem-Based Learning (PBL) model on students' science literacy skills regarding the topic of matter and its changes. This study uses a quantitative approach with a one-group pretest–posttest design, combined with a multi-site, replicated-treatment design. The research sample consisted of 112 seventh-grade students, selected via cluster sampling from two schools: SMP Negeri 3 Kabila and SMP Negeri 1 Tapa. The research instrument consisted of a science literacy test with 10 items that measured the ability to explain scientific phenomena, evaluate scientific investigations, and interpret scientific data. Data analysis used the Kolmogorov-Smirnov normality test, paired t-test (hypothesis test), and N-Gain calculation. The research results showed that the data were normally distributed and that the use of the PhET virtual laboratory media had a significant effect on students' science literacy skills, as indicated by t-values ≥ t-table in all classes. The improvement in skills was also reinforced by the N-Gain value in the moderate category. This shows that PhET-based learning is effective in improving students' science literacy. So, it can be concluded that integrating the PhET virtual laboratory with the PBL model has a positive impact on students' science literacy skills in the topic of matter and its changes and can serve as an alternative learning medium in schools with limited laboratory facilities.
Three Species of Crustacea (Decapoda, Caridea) in Lalar Liang Village, West Sumbawa, Indonesia Rizky Regina Kawirian; Awan Dermawan; Muhammad Yani Mau
Jurnal Pijar MIPA Vol. 21 No. 3 (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.v21i3.11865

Abstract

Freshwater shrimps have a wide distribution in Indonesia's aquatic ecosystems, and play an ecological and economic role that has the potential to improve the community's economy. The entry of invasive species into Indonesian waters is a threat to native species. Therefore, an inventory of native species is needed as a consideration for sustainable fisheries management. However, information regarding the presence and status of freshwater shrimp in West Sumbawa has never been reported. Most rivers in West Sumbawa are seasonal, with high discharge during the rainy season and drying up during the dry season. This research is an exploratory descriptive study using shrimp abundance data calculated as the ratio of individual shrimp counts to the total count across all stations. Samples were collected in March 2026 from three stations during high-water discharge using a traditional bamboo trap called a bubu, which the local Sumbawa people call kodong. This study provides baseline data on three species of freshwater shrimp (Decapoda: Caridea) found in Lalar Liang Village, West Sumbawa. The species obtained were two species of the family Palaemonidae, namely Macrobrachium rosenbergii (De Man, 1879) and Macrobrachium latidactylus (Thallwitz, 1891), and one species of the family Atyidae, Caridina typus (H. Milne Edwards, 1837). The species Macrobrachium rosenbergii (De Man, 1879) had the highest relative abundance (46.67%), followed by Caridina typus (H. Milne Edwards, 1837) (37.33%) and the lowest, Macrobrachium latidactylus (Thallwitz, 1891) (16.00%). These three species are full migrants and natives and are classified as least concern (LC). This study adds to the data on the distribution of freshwater Caridea species in Indonesia and can inform policy-making on ecosystem management, habitat protection, and sustainable freshwater shrimp fisheries.
Development of a Powtoon-Based Learning Video Integrated with Nature of Science (NOS) on Cell Material Fadya Puspita Ayu Fatimah; Dios Sarkity; Adam Fernando
Jurnal Pijar MIPA Vol. 21 No. 3 (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.v21i3.11870

Abstract

Integrating NOS into digital media is important for understanding abstract biological concepts and promoting scientific literacy. This study aimed to develop a Powtoon-based learning video integrated with the Nature of Science (NOS) on cell material for eighth-grade junior high school students and to determine the validity of the developed product. Previous research has developed Powtoon-based learning videos, but the integration of NOS into cell-related learning media remains limited. Therefore, this study offers a novel approach by developing NOS-integrated Powtoon videos to aid understanding of abstract cell concepts. This study employed a Research and Development (R&D) approach adapted from the ADDIE model, focusing on the analysis, design, and development stages. In the analysis stage, data were collected through teacher interviews, preliminary questionnaires, a literature review, and curriculum and content analyses using checklist sheets. Students' needs and characteristics were also identified through questionnaires. During development, the product was evaluated through expert validation by material and media experts using Likert-scale instruments. The data were analyzed quantitatively to determine validity levels and qualitatively based on feedback and suggestions from validators. Quantitative data were analyzed using percentage feasibility analysis based on expert validation scores, while qualitative data were analyzed descriptively through validator input and suggestions. Results showed that the developed learning video achieved material validity of 92.96% and media validity of 95.80%, both of which were categorized as very valid. The novelty of this study lies in integrating the NOS approach into a Powtoon-based animated video to support students' understanding of abstract biological concepts. Developed media can help teachers present cell material more visually and support students’ understanding of microscopic concepts and scientific processes. In conclusion, the developed media is considered valid and feasible at the development stage. Further research is recommended to examine its effectiveness in classroom implementation.
Analysis of Problems in the Implementation of Science Practical at Junior High School, Gorontalo Regency Tirtawaty Abdjul; Nur Azizah Dj. Junus; Nyoman Sriastuti; Risna H. Panyo
Jurnal Pijar MIPA Vol. 21 No. 3 (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.v21i3.11896

Abstract

Science practicums are an essential component of the Independent Curriculum to develop students’ science process skills, yet their implementation at the junior high school level still faces various obstacles. This study aims to analyze problems in the implementation of science practicums at SMPN 1 Telaga Biru, Gorontalo Regency. A qualitative approach was used, with data collected through observation, semi-structured interviews with four science teachers, and a literature review. Data were analyzed using thematic analysis involving data reduction, coding, categorization, and conclusion drawing. The results reveal three interrelated problems: (1) limited facilities and infrastructure, such as damaged tools and insufficient practicum materials; (2) limited instructional time; and (3) low teacher competency in operating practicum equipment due to minimal training. These constraints reduce the effectiveness of practicum-based learning and hinder the development of students’ science process skills. This study concludes that improving practicum implementation requires integrated efforts in enhancing facilities, time management, and teacher competency. The findings provide a comprehensive basis for improving educational policy and practice, particularly through better resource allocation, flexible scheduling, and continuous professional development for teachers.

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