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Saprizal Hadisaputra
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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 30 Documents
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Search results for , issue "Vol. 20 No. 2 (2025)" : 30 Documents clear
The efficiency of the Heterogeneous Photo-Fenton Process for Methyl Orange Degradation: A Review Fatmawati, Rani; Dewata, Indang; Nasra, Edi; Away, Romy Dwipa Yamesa
Jurnal Pijar Mipa Vol. 20 No. 2 (2025)
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.v20i2.8606

Abstract

Methyl orange dye is an organic pollutant often found in textile industry waste and harms the environment due to its nature, which makes it difficult to decompose naturally. One method that has attracted attention in its processing is the Photo-Fenton process, which utilizes hydroxyl radicals (•OH) as powerful degradation agents. This article summarizes recent developments in applying heterogeneous Photo-Fenton to Methyl Orange degradation, focusing on degradation efficiency, factors influencing reactions, and degradation pathways. This study discusses the influence of reaction parameters such as initial pH, H₂O₂ concentration, catalyst concentration and light intensity on the degradation rate. In addition, various types of heterogeneous catalysts, including metal oxide-based and ferrous composites, were analyzed based on their effectiveness and stability in the Photo-Fenton system. The Methyl Orange degradation pathway is proposed based on an intermediate product identified in previous studies, suggesting that the reaction proceeds through a gradual oxidation mechanism until simpler and more environmentally friendly compounds are formed. The results of this study show that the heterogeneous Photo-Fenton system provides advantages over homogeneous systems, especially in increasing degradation efficiency and prolonging the catalyst reactivity cycle. The use of heterogeneous catalysts allows for the formation of larger numbers of active species, thus accelerating the breaking of the Methyl Orange structure. In addition, further research is needed to improve the stability of the catalyst, optimize reaction conditions, and evaluate its potential application on an industrial scale. This study will be a reference for developing a more efficient and sustainable Photo-Fenton-based waste treatment method.
Development of STEAM-Based Assessment Instrument for Creative Thinking on Static Fluid Material Rasmi, Dian Pertiwi; Hendri, Menza; Mardatila, Akrom
Jurnal Pijar Mipa Vol. 20 No. 2 (2025)
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.v20i2.8615

Abstract

21st-century learning emphasises the importance of creative thinking skills through the STEAM approach, including developing STEAM-based learning models and tools. This study aims to develop a STEAM-integrated assessment instrument to measure students' creative thinking skills, as well as to determine students’ perceptions of the assessment instrument. The research and development (R&D) method produces effective and efficient educational products through improvement, development, and evaluation. The research was conducted at SMAN 1 Jambi City and SMA Adhyaksa 1 Jambi City, involving 40 students in class XI. The instrument was developed in the form of description questions on static fluid material. The results showed that students' perception was very positive, with an average assessment of 83.15% for the category ‘Very Feasible’. Validation consists of 3 aspects, namely material, language, and evaluation aspects, which show most aspects of the instrument are in the ‘very feasible’ to ‘feasible’ category. Nine of the 11 questions tested were declared valid, while 2 needed revision. The difficulty level of the questions varied from ‘moderate’ to ‘difficult’. These findings indicate that the instrument developed is feasible for measuring students' creative thinking skills in static fluid material with the STEAM approach. The novelty of this research lies in integrating STEAM components into assessment instruments that assess concept understanding and encourage the development of students' creativity.
Development of Digital Pop-up Book Media to Increase Interest and Learning Outcomes on Water Cycle Material Azzahrani, Kamila; Sukasih, Sri
Jurnal Pijar Mipa Vol. 20 No. 2 (2025)
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.v20i2.8619

Abstract

Science, which studies living beings and inanimate objects in the universe, requires engaging learning media to foster students’ interest in learning. A problem was identified at SDN Ngaliyan 05, where the lack of varied learning media and the monotonous use of textbooks resulted in low interest and incomplete learning achievement related to the water cycle material, as per KKTP standards. This study aims to develop, analyze the validity, and assess the effectiveness of digital Pop-up Book media to enhance interest and learning outcomes in the water cycle material for fifth-grade students. The research method used is research and Development (R&D) with the ADDIE model. The results show that digital Pop-up Book media is highly feasible, with validation scores of 87.5% from material experts, 97.5% from media experts, and 97.5% from practitioners. The media effectively increases interest and learning results as determined by t-test analysis, with a sig. (2-tailed) value of 0.000 < 0.05. The N-gain test result shows a moderate improvement in learning interest 0.63 and learning outcomes 0.67. In conclusion, the digital Pop-up book media enhances interest and learning outcomes in the water cycle material.
The Effect of the SrVER Learning Model Assisted by Augmented Reality Media on Biology Learning Outcomes Muliani, Muliani; Handayani, Baiq Sri; Lestari, Tri Ayu; Setiadi, Dadi
Jurnal Pijar Mipa Vol. 20 No. 2 (2025)
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.v20i2.8629

Abstract

Effective biology learning requires various components to enhance learning, including implementing appropriate learning models and media. This study examines the effect of the SrVER learning model assisted by augmented reality (AR) media on the biology learning outcomes of 10th-grade students at SMAN 2 Mataram. This research employs a quantitative approach using a quasi-experimental method with a non-equivalent control group design. The study population consists of 13 10th-grade classes at SMAN 2 Mataram, from which four classes were selected as the research sample using purposive sampling. Data was collected through questionnaires and student learning outcome tests. The data analysis techniques used in this study include the N-Gain statistical test and the Mann-Whitney test. The results show that the experimental class achieved an N-Gain score of 0.4 (moderate), while the control class obtained an N-Gain score of 0.2 (low). Furthermore, the Mann-Whitney test yielded an Asymp. Sig (2-tailed) value of 0.001, which is less than 0.05, indicating a significant difference between the post-test scores of the control and experimental classes. These findings confirm that implementing the SrVER learning model assisted by augmented reality media can significantly improve the biology learning outcomes of 10th-grade students.
Analysis of Learning Motivation of Junior High School Students in Science Learning in Surabaya City Damayanti, Martha; Hidayati, Siti Nurul
Jurnal Pijar Mipa Vol. 20 No. 2 (2025)
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.v20i2.8644

Abstract

Student learning motivation is an important factor that influences the success of the learning process. This study aims to analyze the learning motivation of junior high school students in Surabaya City, especially in science learning, without the intervention of a particular learning model or approach. This research design uses a survey design with quantitative data collection methods. The learning motivation instrument is a learning motivation questionnaire containing 12 statements based on ARCS indicators: attention, relevance, confidence, and satisfaction. The sample of this study consisted of 88 students, 32 female students and 56 male students, and the sampling technique used was cluster sampling. The data obtained were analyzed descriptively quantitatively using a Likert scale to determine the average of each indicator of student learning motivation. The results showed that the average student learning motivation reached 71% and was classified in the high category, indicating that students have a fairly good learning motivation in science learning. Therefore, it can be concluded that this research indicates that students' overall learning motivation is on the good criteria. Unfortunately, good criteria did not occur in all indicators, where the confidence indicator showed the lowest score, so there is a need to improve the confidence aspect of students so that they are more active and confident in the learning process, such as using student-centered learning models.
The Effect of SrVER Learning Model-Assisted Augmented Reality to Improve Students Learning Outcomes in Science Topic Elynati, Muslimah; Handayani, Baiq Sri; Lestari, Tri Ayu; Jamaluddin, Jamaluddin
Jurnal Pijar Mipa Vol. 20 No. 2 (2025)
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.v20i2.8665

Abstract

Science learning plays an important role in developing students' thinking skills and awareness of the environment. One effort to improve the quality of science learning is by implementing innovative and engaging learning models. This study aims to determine the effect of the SrVER learning model assisted by augmented reality (AR) media on students' science learning outcomes. The SrVER learning model is a learning approach that emphasizes students' visual learning styles. This study employs a quantitative quasi-experimental method with a non-equivalent control group design. The population consists of all eighth-grade students at SMP Negeri 2 Mataram, with a sample of 160 students from four classes. The sampling technique used was purposive sampling. Data were analyzed using ANCOVA after meeting prerequisite tests such as normality and homogeneity. The study shows a difference in the experimental class's average pretest and posttest scores, with an average pretest score of 35.5 and a posttest score of 66.775. The ANCOVA test results obtained a significance value of 0.000 < 0.05, indicating that Ho is rejected and Ha is accepted. This means the SrVER learning model assisted by augmented reality (AR) significantly affects students' science learning outcomes.
Analysis of Frequency and Intensity Levels of Sound Waves in the Bedana Traditional Dance Music of Lampung Using an Ethnoscience Approach Anggraini, Welly; Kamil, Badrul; Masya, Hardiyansyah; Sari, Indah
Jurnal Pijar Mipa Vol. 20 No. 2 (2025)
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.v20i2.8723

Abstract

This study analyzes the frequency and intensity levels of sound waves produced by musical instruments in the Bedana traditional dance of Lampung. An ethnoscience approach is employed, integrating cultural and scientific perspectives to examine sound phenomena in the local context. Data were gathered through sound frequency and intensity measurements using advanced audio analysis software, complemented by qualitative cultural observations. The results reveal distinct frequency variations among instruments, contributing to the dance’s harmonic expression. Notably, statistical tests indicate significance, reinforcing the hypothesis regarding the unique acoustic properties of each instrument. This research underscores the importance of ethnoscience in cultural conservation and traditional arts education, offering insights for future ethnomusicological studies and cultural preservation initiatives.
Herbal Therapy Potential of Balinese Local Plants for Degenerative Diseases: A Review Damayanti, Ida Ayu Manik
Jurnal Pijar Mipa Vol. 20 No. 2 (2025)
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.v20i2.8728

Abstract

Indonesia has a rich biodiversity, including numerous medicinal plants. However, their utilisation remains limited, particularly in treating degenerative diseases. This study explores the potential of local Balinese plants as herbal therapy for diabetes mellitus and hypertension through a systematic literature review. Data were collected from scientific databases such as PubMed, Google Scholar, and Science Direct, covering publications from 2018 to 2025. Out of 117 identified articles with exclusion and the same article, 13 relevant studies were selected as primary references. The analysis indicates that plant extracts from Murraya paniculata, Vitis vinifera Var. Alphonso Lavallee, Syzygium polycephalum, Antidesma bunius, Aegle marmelos, Zingiber zerumbet, Elaeocarpus grandiflora, Artocarpus altilis, Impatiens balsamina, Tagetes erecta, Vitex trifolia, and Punica granatum show potential in managing degenerative diseases. Their bioactive compounds, including flavonoids, phenolics, tannins, terpenoids, alkaloids, and saponins, act by inhibiting key enzymes, enhancing insulin sensitivity, reducing oxidative stress, and modulating lipid metabolism. These findings suggest that Balinese local plants have promising potential as natural therapies for degenerative diseases, warranting further clinical validation.
Effectiveness of the PhET Simulation Assisted by Songs to Improve Students Critical Thinking Skills in Electrical Circuits Maesaroh, Nur; Sutikno, Putri Yanuarita
Jurnal Pijar Mipa Vol. 20 No. 2 (2025)
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.v20i2.8729

Abstract

Critical thinking is a fundamental skill in science education, yet many elementary students struggle to develop it due to conventional teaching methods that limit active participation. Electrical circuit concepts are often presented theoretically without hands-on application, making it difficult for students to grasp them fully. As a result, they face challenges in understanding electric current flow, series and parallel circuits and assembling circuits correctly. This study investigates the effectiveness of integrating  PhET simulations with songs to enhance students' critical thinking skills in learning electrical circuits. A quasi-experimental design with a Nonequivalent Control Group was used, involving 40 students selected through total sampling. The control group (Class VA) received conventional instruction supplemented with videos, while the experimental group (Class VB) engaged in learning through  PhET simulations combined with song and project-based learning. Data collection included written tests based on critical thinking indicators, interviews, and documentation. Statistical analysis comprised independent t-tests and N-Gain calculations. The t-test analysis, with a calculated t-value of  9.367, showed that students in the experimental group experienced significantly higher improvements in critical thinking skills than those in the control group. The experimental class achieved an average N-Gain score of 0.83 (high category), whereas the control class reached only 0.22 (low category). This finding shows that integrating PhET simulations with songs can improve students' critical thinking skills. In addition, supporting the Project Based Learning method allows students to apply their knowledge to real-world projects, encouraging deeper exploration and problem-solving skills. This research presents an innovative method for fostering critical thinking through interactive learning. Further research can investigate its implementation in different subjects to refine and expand effective teaching strategies.
Implementation of Card Media to Improve Students Learning Activities Utami, Rosania Puji; Rezania, Vanda
Jurnal Pijar Mipa Vol. 20 No. 2 (2025)
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.v20i2.8735

Abstract

The lack of science learning in learning bored students, and many students are not active in learning. To overcome this, needed learning media. The card media in this study is a triangular card with questions and answers in text or images. This study aims to describe the learning steps with card media that can improve student learning activities. This study applies classroom action research consisting of two cycles. The study subjects were 28 grade VI students of UPT Satuan Pendidikan SDN Kejapanan II. Data collection tools used include interviews and guidelines for observing student learning activities. The interview technique is to find data by asking students questions verbally after learning. The interview aims to determine students' difficulties in following learning with card media. The second technique is observation, which aims to determine the completeness of student activities while learning to use card media. From these two techniques, data is obtained and then analyzed according to needs. Based on the study's results, it can be concluded that card media can improve student learning activities. In cycle I, the average score of student activity was 83.8%, while in cycle II, it was 93.3%. Thus, there was an increase of 10%. This increase can be seen from students' enthusiastic learning activities towards using card media guided by the research instrument. The suggestions submitted are: (1) To facilitate the use of card media, detailed rules should be made so that there are no errors and chaos during the implementation of using card media; (2) Card media can develop various subjects, not only science because elementary school children are very interested in the concept of learning while playing.

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