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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 1,179 Documents
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Mollusca Biodiversity as A Quality Bioindicator Waters in Central Lombok Gerupuk Bay Coastal Area Berliana, Cok Gea; Candri, Dining Aidil; Ahyadi, Hilman
Jurnal Pijar Mipa Vol. 19 No. 2 (2024): March 2024
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.v19i2.5520

Abstract

Various natural resource utilization activities on the coast of Gerupuk Bay can potentially affect the quality of the aquatic environment, both biotic and abiotic, one of which is mollusc biodiversity. This study aimed to determine the relationship between the existence of Mollusca biodiversity and water quality and substrate in Gerupuk Bay. This study used a quantitative descriptive method of determining stations using the purposive sampling method based on differences in community activities at each station. Sampling was conducted at three stations, including Mollusca samples and water quality measurements: salinity, pH, temperature, and substrate. Molluscs in Gerupuk Bay found 55 species of Mollusks representing three classes, namely the Gastropoda class, with as many as 44 species incorporated in 22 Families; the Bivalve class, as many as ten species contained in 6 Families; and the Scaphopoda class, with as many as one types incorporated in 1 Family. The composition of Mollusca classes found on the Gerupuk Bay Coast is Gastropoda class at 62%, Bivalve class at 35%, and Scaphopoda class at as much as 3%. Mollusca diversity is calculated using the Shannon-Wienner diversity index (H'). The diversity index results ranged from 2.890-1.998, with moderate categories at all stations. Bioindicators of water quality using the diversity index show that stations I and III categorize the Gerupuk Bay area as lightly polluted. In contrast, at station II, it is moderately polluted.
Designing moodle-based learning media integrated with H5P interactive on chemical equilibrium topic Hayati, Sriza; Guspatni, Guspatni
Jurnal Pijar Mipa Vol. 18 No. 6 (2023): November 2023
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.v18i6.5621

Abstract

Chemical equilibrium is one of the learning materials that is difficult to understand in learning chemistry. To increase student understanding and participation in learning chemical equilibrium topics, research was conducted to design. This is because Moodle-based learning media combined with H5P on chemical equilibrium topics combines media that utilizes technology to produce an interactive learning experience. This research is included in educational design research using the Plomp development model, including the preliminary research stage by conducting need and context analysis, literature review, and theoretical framework and prototyping phase, including initial plan and self-evaluation. The research subjects were six teachers from SMAN 1 Pariaman, SMAN 2 Pariaman, and SMAN 3 Pariaman, and fifty students of SMAN 1 Pariaman. The object of this research is Moodle-based learning media integrated with H5P interactive. The instruments of this research are questionnaire sheets and interview sheets. For the results based on preliminary research data and the prototyping phase, it can be concluded that the design of Moodle-based learning media using the Plomp development model, which produces prototype II, has been successfully carried out according to the design based on the analysis results in preliminary research. I hope that the prototype in the form of Moodle-based learning integrated with H5P interactive can produce learning media that can be used in school to support chemistry learning and improve interactive learning experiences.
Development ICARE based digital module integrated with sets approach to digestive system concept in Senior High School Djamahar, Refirman; Tristina, Anzelina; Mahrawi, Mahrawi; Rifqiawati, Ika
Jurnal Pijar Mipa Vol. 18 No. 6 (2023): November 2023
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.v18i6.5629

Abstract

The limitations of learning resources can be felt in several aspects of the quality and quantity, form and types of learning resources available. Meanwhile, learning resources must be available quickly to realize effective learning, allowing students to push themselves to meet independent learning needs. Digital modules continue to be developed by researchers to support the independent learning process. This study aimed to establish teaching products in ICARE-based digital modules integrated with the SETS approach to the digestive system concept in senior high schools. The type of research used is research and development with the 4D model design by Thiagarajan, which consists of 4 stages: define, design, development, and disseminate. The result of the expert assessment ICARE-based digital module received the very feasible category, as the user responses test, the module got a very conceivable category. The Teacher response test got the highest score, with the grammar aspect getting the highest among other elements. This is because the language used in the module is an interactive language. Based on the result, ICARE-based digital modules can be used in the biology learning process, especially in the digestive system.
Antifungal activity test of nanosilver in serum cosmetic preparations Puspitasari, Putri; Taufikurohmah, Titik
Jurnal Pijar Mipa Vol. 18 No. 6 (2023): November 2023
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.v18i6.5630

Abstract

Serum is one of the cosmetic products that people often use today. Along with the times and technological developments, innovations in serum products are also increasing with the addition of active ingredients. Nanosilver is one of the nanotechnology findings and is known as a good antifungal. In this study, serum products were made with the addition of nanosilver as an antifungal, with variations in the acquisition of 20 ppm nanosilver by 5, 10, and 15%. This study aims to determine the characteristics of nanosilver synthesized using UV-Vis Spectrophotometer and TEM, determine the physical and chemical characteristics of nanosilver serum preparations, and determine the antifungal activity of nanosilver in serum cosmetic preparations. In this study, the synthesis of nanosilver using a chemical reduction method with sodium citrate as a reducing agent and stabilizer. Characterization of nanosilver with UV-Vis Spectrophotometer showed that the synthesized nanosilver was relatively stable, and the results of description with TEM showed that the nanosilver produced was on the nanoscale with an average diameter of 35.075 nm and spherical shape. The physical and chemical characteristics of the serum preparation carried out by organoleptic testing showed that the five samples were homogeneous, non-irritating, and had a pH of 6. Testing of nanosilver antifungal activity was carried out by the DMC (Direct Microscopic Count) method with direct counting techniques under a microscope for eight weeks. Based on the calculation results, from week 0 to week 8, it shows that the serum preparation with the addition of nanosilver can inhibit fungi with the growth of the number of hyphae in F1, F2, F3, F4, F5 respectively 24.25; 22.25; 3.25; 3; and 2.75%.
Preparation of synthesis nanoparticles Fe3O4 based on iron sand Sumbawa Bahtiar, Syamsul; Widyawati, Fauzi; Yanuar, Emsal; Ramadhan, Risky; Zahra, Karen; Hidayat, Syamsul
Jurnal Pijar Mipa Vol. 18 No. 6 (2023): November 2023
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.v18i6.5644

Abstract

Iron sand generally contains minerals such as ilmenite, magnetite, and hematite. Based on the results of previous tests, the main composition of iron sand in Rhee, Sumbawa regency, is magnetite. One method to increase the Fe content in iron sand is by pre-treatment with NaOH. NaOH is also used to precipitate heavy metals in a mineral. In this study, three variations were carried out with the ratio of NaOH: iron sand, namely: 1: 4, 2: 4, and 3: 4 at a temperature of 300 C. Furthermore, the calcination results were followed by the synthesis of Fe3O4 nanoparticles using the coprecipitation method. The results of the XRF characterization showed an increase in Fe levels after being processed by the alkalization treatment. The highest concentration was obtained in 1:4, with a Fe percentage of 91.1%. The results of the XRD characterization showed that the synthesis of Fe3O4 was successfully carried out with single phase Fe3O4 amlording to the data reference 96-9005839 forms and the space group F d -3 m. Crystal size analysis Using the Debey-Scherrer equation, the respective sizes were 12.7 nm, 8.71 nm, and 9.76 nm, respectively.
Analysis of the quality of students science research ideas through the implementation of research-based learning models Syazali, Muhammad; Widiada, I Ketut; Zain, Mohammad Irawan
Jurnal Pijar Mipa Vol. 18 No. 6 (2023): November 2023
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.v18i6.5660

Abstract

Learning that focuses on achieving product mastery is not optimal in facilitating students to create quality research ideas. In this research, we implemented MPBR to analyze the quality of science research ideas from students. To collect research ideas from students, the documentation method is used. Documents as qualitative instruments obtained through this method are assessed based on four criteria. They are suitability to the scope of scientific studies, the presence of research problems, the accuracy of the editorial title formulated from the research problem, and the urgency of the study variables. The data obtained was analyzed quantitatively and qualitatively. The quantitative analysis that we carry out is proportion analysis. The qualitative analysis includes data reduction, visualization, and conclusion. We found that all research ideas are within the scope of scientific studies and are based on research problems. However, only some scientific research ideas have appropriate title formulations, and the variables need to be studied further through the research process. This has implications for the overall quality of research ideas. The quality of research ideas in the outstanding category is 44.06%. The proportion in the good category is 14.68%, and the remainder is in the fair category, with a ratio of 41.26%. The conclusion is that implementing the PBR model effectively trains students to create scientific research ideas based on problems they find in the surrounding environment.
The effect of mind mapping assignment on creative thinking skills and biology concepts mastery in Senior High School Azizurahmah, Annisyah; Sukarso, AA; Kusmiyati, Kusmiyati; Handayani, Sri
Jurnal Pijar Mipa Vol. 18 No. 6 (2023): November 2023
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.v18i6.5668

Abstract

This study aims to ascertain how grade XI students at SMAN 8 Mataram's mind mapping assignment affects their capacity for original thought and their grasp of biological ideas. On samples chosen by random sampling, this study employed a pretest-posttest control group design and a quasi-experiment. While written assessments in multiple-choice questions were used to get information on topic mastery, mind-mapping assignments were used to gather information on students' creative thinking abilities. The findings demonstrated that mind-mapping exercises significantly impacted students' comprehension of biological topics and enhanced their capacity for creative thought, moving them from less creative to highly creative criteria. Pearson correlation test results showed a positive relationship between creative thinking skills and students' mastery of biological concepts in the medium correlation category. Mind mapping assignment has a positive influence in improving creative thinking skills and mastery of biological concepts of high school students, where students become more creative by simply connecting their prior knowledge with subsequent knowledge.
Spider diversity as an effort to mitigate insect pests in the Lingsar Vegetable Farming Area, West Lombok Regency Ilhamdi, Moh. Liwa; Idrus, Agil Al; Santoso, Didik; Raksun, Ahmad; Wirajagat, Gde Cahyadi
Jurnal Pijar Mipa Vol. 18 No. 6 (2023): November 2023
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.v18i6.5669

Abstract

Arthropods have many roles in an ecosystem, including as pest biocontrol agents. Spiders are part of a group of arthropods that carry out this function by being predators of insect pests. This research aims to analyze the diversity of spider types in the Lingsar District Vegetable Area, West Lombok Regency. Data was collected from January to April 2023 using a survey method with sweeping nets three times per week and pitfall traps every week on five routes (west, south, east, centre, and north). Identification of spider types is carried out referring to morphological characteristics, guided by the identification book. The samples obtained were analyzed using the Shannon-Weiner diversity index (H'). The research results showed that the spider species identified in the Lingsar Vegetable Area comprised 11 species belonging to 10 families. Zoropsis spinimana from the Zoropsidae family was found in all sampling lines and was the species with the highest number of individuals. The species with the lowest number of individuals found in only one route are Ctenus hibernalis (Ctenidae) and Cryphoeca silvicola (Cybaeidae). The diversity index ranges from 1.188-1.654 (medium category), with the highest diversity in the middle route. The list of names of spider types obtained has the potential to be used as a basis for developing biocontrol of agricultural pests using their natural enemies in the form of spiders on horticultural crops such as vegetables.
Effect of whey protein on thickness, water vapour transmission rate, and water content of gelatin film Fahrullah, Fahrullah; Rahmawati, Lilik; Kartika, Kartika; Ulkiyah, Kalisom; Yulianto, Wahid
Jurnal Pijar Mipa Vol. 18 No. 6 (2023): November 2023
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.v18i6.5680

Abstract

Packaging is a tool used to protect products from physical damage; edible films can improve food quality and reduce plastic-based packaging materials. This study aimed to determine the effect of adding whey protein concentration on gelatin edible film thickness, water vapour transmission rate, and moisture content. This research used a completely randomized design with 4 treatments and 3 replications. The treatments consisted of P0 (0 g whey: 2 g gelatin), P1 (0.05 g whey: 2 g gelatin), P2 (0.10 g whey: 2 g gelatin), P3 (0.15 g whey: 2 g gelatin). The addition of whey protein had a significant effect (P<0.01) on the thickness of the gelatin film. However, no significant effect (P>0.05) was found on the water vapour transmission rate and moisture content. Nonetheless, employing whey protein can reduce the water vapour transmission rate and increase the moisture content of edible gelatin film. The findings suggest that incorporating whey protein can enhance the physicochemical properties of gelatin films. Using whey protein at a concentration of 0.05 g is deemed the optimum treatment.
Challenges of multidimensional science education: A philosophical perspective Verawati, Ni Nyoman Sri Putu; Sarjan, Muhammad
Jurnal Pijar Mipa Vol. 18 No. 6 (2023): November 2023
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.v18i6.5701

Abstract

This study explores multidimensional science education's challenges and critically reviews philosophical aspects. The exploratory study was conducted by performing bibliometric analysis and literature reviews on the context related to the challenges of multidimensional science education from a philosophical perspective. Using data sources from SCOPUS and GOOGLE SCHOLAR, studies were found that align with multidimensional science education (studies that intersect with the application of disciplinary, multi-disciplinary, inter-disciplinary, and trans-disciplinary approaches). The literature review revealed challenges in science education, primarily related to pedagogical challenges. These pedagogical challenges are caused by the interdisciplinary nature inherent in science, thus requiring adequate adaptation of teachers' knowledge about science. The literature review uncovered effective pedagogy in science characterized by approaches that prioritize exploratory processes, authenticity, and a focus on encouraging critical thinking. In line with the principles of axiological philosophy in multidimensional science education, it is essential to prepare adequate pedagogical infrastructure to continue supporting efforts in developing contemporary and future science education. Ultimately, formulating effective pedagogy will serve as a foundation for teachers to impart meaningful and valuable science education from the perspective of axiological philosophy.

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