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Jurnal Penelitian Pendidikan IPA (JPPIPA)
Published by Universitas Mataram
ISSN : 24602582     EISSN : 2407795X     DOI : -
Core Subject : Science, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics
Science Educational Research Journal is international open access, published by Science Master Program of Science Education Graduate Program University of Mataram, contains scientific articles both in the form of research results and literature review that includes science, technology and teaching in the field of science. The Science Educational Research Journal is published twice in a year in January and July editions. The editors receive writing in Indonesian or English, either from the university or from outside the university.
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Articles 179 Documents
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Search results for , issue "Vol 10 No 12 (2024): December" : 179 Documents clear
The Feature of Project-Based Learning and Differentiated Instruction Practices in Biology Learning Suci Fajrina; Ria Anggriyani; Fitri Arsih; Muhyiatul Fadilah; Helendra; Zulyusri; Eby Restudila; Asya Kharisma; Ayu Melisa Putri
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.8992

Abstract

This research aims to examine Biology teachers' views on the effectiveness of Project Based Learning (PjBL) in building a conducive learning environment that increases student involvement and socio-cultural awareness in Biology learning in Indonesia. In addition, this research aims to explore the methods used by Biology teachers in implementing differentiation in Biology education in the Indonesian context. The approach was taken with a sequential mixed methods strategy, which ensured comprehensive data collection. and the use of qualitative and quantitative methods starting with distributing questionnaires to 200 Biology teachers, followed by focus group interviews with eight volunteer educators. The results of the study state that Biology educators consider project-based learning as a useful teaching method that contributes to increased student engagement, increased social dynamics in the classroom, cultural appreciation, and effective implementation of strategies for differentiated learning. These findings have implications across multiple domains, including teacher professional development, academic administration, curriculum design, and decision-making processes. Furthermore, the insights gained from this research may extend beyond the boundaries of Biology education, attracting interest from stakeholders in a variety of academic disciplines.
Analysis of Biological Factors that Influence the Acceleration of Menarche in Female Students Aged 13-14 Years Nursitiyaroh; Evi Wardah Kusumah; Nia Komalasari; Rizawati; Rizky Fessa Vandhe; Silvia; Siska Meryani; Tuti Alawiyah; Wiwik Norkhotijatul Fitriyah
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.8994

Abstract

Various biological factors influence the acceleration of the age of menarche in female students aged 13-14 years. These factors include exposure to pornographic media, excess body weight, consumption of fast food, nutritional status, history of maternal age at menarche, sexual knowledge, height, and family economic status. Early exposure to sexual content and a high-fat diet can accelerate sexual maturity through changes in hormone production, while nutritional status and history of maternal age at menarche are also associated with accelerated menarche. This research involved 85 class VII female students who were selected purposively to analyze the influence of these factors on the age of menarche. Data was collected through questionnaires and physical measurements, then analyzed using the Chi-square test. The results show that exposure to pornographic media, excess body weight, consumption of fast food, nutritional status, and history of the mother's age at menarche have a significant influence on accelerating the age of menarche (p-value < 0.05). On the other hand, height, sexual knowledge and family economic status did not have a significant effect (p-value > 0.05). It is recommended that parents and schools limit teenagers' access to pornographic media and encourage healthy lifestyles to prevent acceleration of the age menarche.
Optimalisasi Konsentrasi Thidiazuron untuk Peningkatan Pertumbuhan Protocorm In Vitro Anggrek Grammatophyllum stapeliiflorum Zozy Aneloi Noli; Naura Muthiah Arli; Suwirmen
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9067

Abstract

Cytokinins are growth regulators that play a crucial role in cell division and shoot growth. Thidiazuron, a potent cytokinin, was the focus of our research. The research aimed to determine the effect of several concentrations of Thidiazuron on the protocorm growth of Grammatophyllum stapeliiflorum and to identify the best concentration of Thidiazuron (mg/L) for the protocorm growth of G. stapeliflorum orchids in vitro. The research was conducted from January until March 2022 at the Plant Physiology Laboratory, Universitas Andalas, Padang. The research used a Completely Randomized Design (CRD) with 5 treatments and 5 replications. Several concentrations of Thidiazuron were added to MS media with various concentrations: 0 mg L-1 (A), 0.50 mg L-1 (B), 1 mg L-1  (C), 1.50 mg L-1(D), and 2 mg L-1  (E). The parameters in this research were the percentage of life explants, day of shoot appearance, number of shoots, shoot length, number of leaves, number of roots, and root length. The results showed that Thidiazuron significantly affected the protocorm growth of the G. stapeliiflorum orchid compared to the control treatment. Notably, 2 mg L-1  Thidiazuron emerged as the best concentration for all growth parameters of protocorm G. stapeliiflorum, a finding that could significantly impact our understanding of orchid cultivation and plant physiology.
Potensi Penerapan Teknologi Aerobic Granular Sludge (AGS) dalam Pengolahan Air Limbah Industri Tahu Y. A. A. Hidayat; S Sumiyati; M. A. Budihardjo; N. I. Setianingsih
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9072

Abstract

The tofu industry produces high protein food but produces wastewater with high organic matter and ammonia which is the result of protein breakdown in soybean seeds during the extraction process. Small and Medium Enterprises (SMEs) sometimes neglect waste treatment due to limited resources. Indonesian regulations stipulate special quality standards for wastewater in the Regulation of the Minister of Environment of the Republic of Indonesia No. 5 of 2014 concerning Wastewater Quality Standards for Soybean Processing Businesses and/or Activities. Indicators of organic matter pollution are characterized by the parameters BOD 150 mg/l, COD 300 mg/l, TSS 200 mg/l, and pH 5-9. Meanwhile, tofu industrial wastewater without special treatment can exceed the quality standard with BOD levels of 5.000-10.000 mg/l and COD levels of 7.000-12,000 mg/l. To overcome this problem apart from using activated sludge, researchers are exploring the use of Aerobic Granular Sludge (AGS) technology. AGS involves aggregate microorganisms in granules to treat wastewater efficiently. This increases treatment efficiency, reduces space requirements, and handles high organic loads effectively. Although aerobic granular technology is promising, research is still ongoing to better understand its characteristics and optimize applications in various industries and environmental conditions. This study aims to explore the potential application of Aerobic Granular Sludge (AGS) technology in treating tofu industrial wastewater with high organic matter content and significant ammonia content so that it meets permitted quality standards.
Unfired Bricks Green Material with Microorganism Biocementation Andi Marini Indriani; Gunaedy Utomo; Maslina; Yuninda Az’Zahrah; Zaerima Zahira Ochtharima
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9110

Abstract

The disposal of industrial sludge from Water Treatment Plants (WTP) poses environmental risks, particularly groundwater pollution. One solution is reusing this sludge in brick production, as clay use is unsustainable and may lead to shortages. This research investigates innovations in brick making, specifically using WTP sludge and the Microbially Induced Calcite Precipitation (MICP) technique with Bacillus huizhouensis to enhance brick strength. The MICP method produces calcium carbonate (CaCO₃) naturally, reinforcing bricks without harmful burning. After 50 days, compressive tests showed that bio-bricks with 15% WTP sludge and 25% bacteria achieved the highest strength of 3.79 MPa, compared to 1.49 MPa for mud bricks with only sludge. However, bio-bricks with 6% bacteria and 15% sludge reached only 1.74 MPa, with all values below the SNI 15-2094-2000 standard of 5 MPa.
Internal and External Factors in Developing Farmer Businesses in Pinrang Regency, South Sulawesi Province, Indonesia (Case Study) St. Rohani; Siti Nurlaelah; Sitti Nurani Sirajuddin; Mukhlis Mukhlis; Ilham Syarif
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9116

Abstract

This study aimed to identify external and internal factors in community businesses in Alitta Village. The study was conducted in Alitta Village, Mattiro Bulu District, Pinrang Regency in May 2024. The analysis used in this study was a SWOT analysis. The results of the study showed that internal factors are management, finance, human resources, facilities and infrastructure, and legal umbrella while external factors are technology, business partners, government, village potential, community participation and competitors. BUMDes development is carried out with a focus on three main aspects: improving the village economy, developing existing potential, and managing this potential to meet the needs of the local community. Meanwhile, the lack of human resources for BUMDes management, the difficulty of maintaining the agricultural machinery owned and the supply of raw material inputs that are not smooth. Efforts to overcome obstacles through strategy development can be an option to be implemented, namely Increasing product availability, recruiting new members to run each business division and opening independent outlets. Significant impact because gasoline is an important commodity needed by rural communities. Most farmers who rely heavily on water pumps to irrigate their agricultural land. Gasoline supply shortages cause delays and disruptions in the operation of such equipment, hampering agricultural productivity.
Cultural Analysis of Sweet Potato Farming for Food Development in Lamongan Regency, Indonesia Emmy Hamidah; Bambang Heri Isnawan; Idum Satia Santi
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9126

Abstract

Sweet potatoes have an excellent opportunity to develop food consumption diversification programs based on local resources, carbohydrate sources, sources of various nutrients, industrial raw materials and animal feed, and different processed products. This study aims to analyze the development of food socially and culturally. The research was conducted using a survey method in Kalitengah District, Lamongan, Indonesia. Sampling was done purposively in 4 sweet potato center villages, with 165 farmer respondents. Data analysis uses descriptive analysis. The results of the study show that the age of sweet potato farmers is relatively old, an average of 53 years, while the education level of farmers is low, with 75.80% having a primary school education. 75.80% of farmers have over 30 years of experience cultivating sweet potatoes, and everything has been done culturally for generations. Farmers consume sweet potatoes that have not yet become a culture, which is 74.50%. A recommendation for valuable improvements is to train farmers on fertilizers and storage facilities. Efforts to develop sweet potato cultivation will be instrumental in policy making. In the future, it is hoped that the community will be able to improve the culture of consuming sweet potatoes.
Predicting the Effect of Magnetic Acquisition Using CrowdMag Android App on Fundamental Magnetic Concepts Mastery in Basic Physics Jufri; Rizky Fatmalasari L; La Naston
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9131

Abstract

If the concept of the magnetic field is categorized as one of the physics concepts considered difficult by some students, then classroom instruction itself is not sufficient to explain it. This research reveals that integrating magnetic acquisition using the Android application CrowdMag in learning the concept of the magnetic field can be an effective solution. Testing 32 (on thirty-two) Faculty of Teacher Training and Education (FKIP) Universitas Darussalam Ambon students showed that magnetic acquisition using the Android application CrowdMag had a significant effect on the mastery of the magnetic field concept. This effect is not due to chance, as evidenced by a significant regression coefficient β and an F-calculated value greater than the F-table value, as well as a strong and linear correlation between the variables of magnetic acquisition and the mastery of the magnetic field concept. The resulting regression model (Y = 31.271 + 0.584X) can be used to predict the effect of magnetic acquisition using the Android application CrowdMag on the mastery of basic physics concepts of magnetic fields for students of FKIP Unidar Ambon.
Desain Bahan Ajar pada Pembelajaran Outdoor Class untuk Meningkatkan Keterampilan Berpikir Kritis Peserta Didik Sitti Zakiyah Azinah A; Subaer; Muhammad Arsyad
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9136

Abstract

This type of research is Research and Development (R&D). This study aims to design teaching materials for outdoor class learning. The results of the study showed that expert research on teaching materials for outdoor class learning that had been developed was then analyzed using the Aiken'V formulation, obtaining an average aspect of content feasibility of 0.82, presentation feasibility of 0.84 and language aspect of 0.78 and declared to meet the feasibility criteria (valid). The results of the teacher's assessment of the teaching materials obtained aspects of the feasibility of instructions with an average of 3.67, aspects of the coverage of questionnaire components of 3.67 and aspects of language feasibility of 3.33 with a very practical category. So, it can be concluded that the teaching materials in this outdoor class learning are declared worthy of being tested. The effectiveness of teaching materials in outdoor class learning can be seen from the increase in critical thinking skills of students based on the results of the pretest and posttest which were analyzed using the N-Gain test. Overall, the average value of students' N-Gain in critical thinking skills is 0.61 in the moderate category. So, it can be concluded that there is an increase in critical thinking skills of class XI students of SMAN 3 Enrekang. This shows that teaching materials in outdoor class learning are effective for use in the learning process.
Effectiveness of Andaliman Extract on Blood Sugar Levels of White Mice Induced by STZ HOMA-IR Jessyca Manishwer Kaur Dhillon; Linda Chiuman; Gusbakti Rusip
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9163

Abstract

The increasing cases and treatment costs have triggered the search for alternatives, such as Andaliman, which is believed to have antidiabetic and antioxidant activities, induced by Streptozotocin (STZ). Objective: to determine the effectiveness of Andaliman nanoemulsion extract in lowering blood sugar levels, overcoming insulin resistance as measured by HOMA-IR, in white mice induced by Streptozotocin (STZ). The study employed a posttest only controlled group design, using sic groups of mice, each of which had five mice weighing 150–260 grams in STZ induction (65 mg/kg), the positive control group used STZ + Metformin, the treatment group used a dose of Nanoandaliman of 25.50 & 75 mg/KgBB. KGD examination was carried out after 7.14 and 21 days after STZ induction. Results: Based on the lowest KGD measurement on day 21 in the STZ65mg/kgBB + NA50 mg/kgBB treatment group, in the HOMA-IR measurement, the highest value was found in the negative control (STZ 65mg/kgBB) on day 21. This indicates that the decrease in blood glucose levels with STZ65mg/kgBB + NA50 mg/kgBB treatment is better than other treatments on day 21. Conclusion: STZ65mg/kgBB + NA50 mg/kgBB treatment has been proven to be effective in lowering blood sugar levels. It is expected that the results of this study can become an alternative treatment for diabetes in the future

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