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All Journal Jurnal Taman Vokasi Journal of Tropical Chemistry Research and Education Asean Journal of Science and Engineering (AJSE) Journal of Educational Sciences Universal Education Journal of Teaching and Learning
Widyaningsih, Mia
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Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Engineering Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Other

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Innovation of Environmentally Friendly Solid Electrolyte Biobattery Based on Carrageenan and Rotten Tomatoes Widyaningsih, Mia; Abidin, Muhamad; Hafidh, Ashary Fathul; Murniati, Anceu; Ragadhita, Risti; Rizky, Karina Mulya; Mudzakir, Ahmad
ASEAN Journal of Science and Engineering Vol 4, No 1 (2024): AJSE: March 2024
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ajse.v3i3.49681

Abstract

This research aims to create and evaluate the performance of environmentally friendly biobattery based on carrageenan and rotten tomatoes to reduce B3 waste. To make a biobattery based on carrageenan and rotten tomatoes, five ratios of carrageenan and rotten tomatoes mixtures were used with the composition of carrageenan values of 1, 2, 3, 4, and 5% for each type of battery. The parameters observed in this study were the potential difference, current strength, and stability of the biobattery. Carrageenan was added to prevent battery leakage and maintain battery stability. As a result, the biobattery has a potential difference value equivalent to a commercial battery, namely 1.5 V, but the current generated is still low. On the other hand, biobatteries can be applied to alarm clocks. The difference in carrageenan concentration has no significant effect on the value of potential difference, current strength, power, recharging ability, and application on wall clocks, as well as the stability of the biobattery. The experiment was carried out with the hypothesis that husk ash can absorb rotten tomatoes, preventing electrolyte leakage. However, the resulting biobattery is still leaking. After that, we modified it again by using electrolytes made from rotten tomatoes and coconut dregs, but the leakage was still the same. Therefore, the biobattery made from a combination of carrageenan and rotten tomatoes was assumed to keep the battery more stable and prevent leakage. This research was expected to contribute to the development of environmentally friendly batteries to reduce B3 waste, along with the increasing need for batteries in the era of industrial revolution 4.0.
Ethno-Science Study of Bamboo as A Building Material of Baduy Community for Environmentally Friendly and Sustainable Materials Chemistry Learning Widyaningsih, Mia; Sriyati, Siti; Liliawati, Winny; Mudzakir, Ahmad
Journal of Tropical Chemistry Research and Education Vol. 6 No. 1 (2024)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2024.61-05

Abstract

This study aims to develop the chemical aspects of the local practice of the Baduy community in utilizing bamboo as a traditional house building material that can be integrated in material chemistry learning. The research method is a literature study of scientific journals, books, online articles, and research reports related to bamboo as a building material, which is then analyzed by comparing local knowledge and scientific concepts to identify potential integration into science learning, especially chemistry. The result of this study is that the integration of natural science with local practices, such as bamboo used for environmentally friendly and sustainable building materials, is an innovative way to teach materials chemistry. The study of bamboo as a building material can help students understand chemistry concepts, especially the structure and physicochemical properties of materials so that students can relate the mechanical and thermal characteristics of materials to their structure in a more relevant and practical way. Thus, chemistry learning is not only limited to theory and laboratory experiments, but also includes real applications that are relevant to everyday life in society.
Evaluation of Introductory Environmental Chemistry Course for Prospective Chemistry Teachers Using Context, Input and Process Models Widyaningsih, Mia; Nahadi, N; Mudzakir, Ahmad; Sriyati , Siti; Khoerunnisa, fitri
Journal of Tropical Chemistry Research and Education Vol. 6 No. 2 (2024)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2024.62-05

Abstract

This study aims to evaluate the learning programme of the Introduction to Environmental Chemistry course of the Chemistry Education study programme in one of the public universities in Bandung City. This study needs to be evaluated and improved because there are still aspects that are not in accordance with 21st century learning as evidenced by document analysis and learning observations. The method used is a qualitative approach and the CIPP (Context, input, process, Product) evaluation model as a tool to evaluate and improve the lecture programme which focuses on the Context aspect in the form of document analysis of the Semester Learning Plan (SLP), the Input aspect in the form of lecturer interviews and the Process aspect in the form of learning observations. The results obtained from the analysis show that there are several findings that need to be evaluated due to the incompatibility of aspects in the SLP document update such as administrative completeness, the General Skills Aspect (GSA) 1 listed is not in accordance with the Context of Learning Outcomes (CLOs), based on interviews with teaching lecturers it is stated that problem-based learning (PBL) with the context of validated environmental issues in relevant theoretical content and in the aspect of the learning observation process it was found that there were aspects of learning practices that were not in accordance with the SLP document reference. The evaluation also highlighted the importance of updating and adjusting learning media to be more interactive and relevant to the context of environmental issues. The assessment of the last three years shows the potential to further develop programmes can to improve students' higher order thinking skills
Science Teacher Identity in Environmental Chemistry Education Using the STEM Approach: A Bibliometric Analysis of Scopus Journals (2015–2024) Widyaningsih, Mia; Hernani, Hernani; Mudzakir, Ahmad; Supriatna, Asep; Kamaludin, Agus; Ragadhita, Risti
Journal of Educational Sciences Vol. 9 No. 5 (2025): Journal of Educational Sciences
Publisher : FKIP - Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.9.5.p.4471-4495

Abstract

This study aims to investigate how Environmental Chemistry education contributes to shaping the science teacher identity of prospective chemistry teachers through a STEM approach. The bibliometric analysis method was conducted using Scopus data (2015–2024), analyzed with Biblioshiny and VOS Viewer. From an initial 483 documents, 418 relevant works comprising articles, books, and reviews were selected based on keywords such as "Science Identity", "Science Teacher Identity", "STEM Education Approach", and "Environmental Science Chemistry". Biblioshiny was used to identify trends over the decade, including annual publication rates, key journals, influential authors, productive affiliations and countries, globally cited articles, and frequently occurring keywords. VOS Viewer further enhanced the analysis by offering three types of visualizations network, overlay, and density to illustrate the relationships and research trends among the selected publications. These visual tools reveal the interconnectedness of topics and highlight emerging areas in the field. The findings offer valuable insights into the global development of research at the intersection of science identity, STEM education, and environmental chemistry. This bibliometric exploration provides a foundation for researchers to identify current trends, understand the research landscape, and recognize gaps that can inform future studies.
Pembelajaran Energi Terbarukan Berbasis Praktikum Untuk Mengembangkan Karir Vokasional: Analisis Bibliometrik Pada Tahun 2015-2024 Irfan, Agus; Irwanto, Irwanto; Suhendar, Suhendar; Widyaningsih, Mia
Jurnal Taman Vokasi Vol 12 No 2 (2024): Vol. 12 No. 2 (2024)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/jtvok.v12i2.17652

Abstract

This study aims to identify the development and understanding of the role of laboratory-based renewable energy education in vocational career development. This research employs bibliometric analysis using the Scopus database with the assistance of Biblioshiny and VOSviewer tools. From 2015 to 2024, 64 documents were found in Scopus and filtered down to 63 documents, comprising articles, book chapters, and conference papers relevant to the keywords "Renewable Energy Learning" OR "Practicum-Based" OR "Vocational Career Development." The data analysis over the past ten years reveals trends and the annual production of scientific articles, the most relevant sources and affiliations, the most productive countries annually, frequently used keywords, thematic maps, and the most cited documents globally. Using VOSviewer, three types of data visualizations—network, overlay, and density—support the analysis of article linkages. This study is expected to help researchers identify the development and understanding of international research related to the selected keywords and provide references and limitations for future research.
Bibliometric: The Role of Science Learning on Student Motivation in Moral Education Widyaningsih, Mia; Robandi, Babang; Mudzakir, Ahmad
Universal Education Jurnal Teaching and Learning Vol 2 No 1 (2025): January-March Edition
Publisher : Universal Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63081/uejtl.v2i1.39

Abstract

The purpose of this research was to find out the development and understanding of the role of science learning on students' motivation in moral education using a bibliometric study on the Google Scholar database with the help of VOS viewer. From 2019 to 2023, 953 articles were found from Google Scholar, and 795 were selected, which were related to content, based on data collection results using the keywords "science learning", "student motivation", and "moral education". The results of data searches for the last five years show that from 2019 to 2023, the number of publications has decreased. Three types of visualizations in the data mapping analysis were added: network visualization, overlay visualization, and density visualization, to support the analysis of related articles. It is hoped that the results of this study will help researchers identify developments and understanding of international research related to the keywords proposed.
Co-Authors Abidin, Muhamad Agus Irfan, Agus Agus Kamaludin, Agus Ahmad Aminudin Anceu Murniati Asep Supriatna, Asep Babang Robandi Fitri Khoerunnisa Hafidh, Ashary Fathul HERNANI - Irwanto Irwanto Nahadi Ragadhita, Risti Rizky, Karina Mulya Siti Sriyati Sriyati , Siti Suhendar Suhendar, Suhendar Winny Liliawati