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All Journal JPF : JURNAL PENDIDIKAN FISIKA Jurnal Ilmiah Wahana Pendidikan Jurnal Sains dan Teknologi
Aulia Wulansari Agustin
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Pengaruh Intensitas Cahaya Matahari Terhadap Proses Perkecambahan Kacang Hijau Pada Media Tanam Kapas I Ketut Mahardika; Singgih Baktiarso; Fadhiyah Nurul Qowasmi; Aulia Wulansari Agustin; Yesica Listian Adelia
Jurnal Ilmiah Wahana Pendidikan Vol 9 No 3 (2023): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (39.435 KB) | DOI: 10.5281/zenodo.7627199

Abstract

This research was conducted to review how much impact the intensity of sunlight has on the growth of green bean plants by giving different treatments, namely indoors and outdoors. Where the green beans contained in the room (indoor) do not get sunlight while those outside the room (outdoor) get sunlight. Observations showed that the growth of mung bean plants that did not receive sunlight experienced etiolation (growing rapidly but the stems and leaves were pale in color), while the plants that were outdoors grew slower but had sturdy stems and leaves. This situation is caused by the influence of the auxin hormone, where the hormone cannot work optimally when exposed to sunlight. In plants that are in a dark place the leaves are pale because the plants do not get sunlight so they lack chlorophyll.
Potensi Pemanfaatan Biogas Dari Sampah Organik Sebagai Sumber Energi Terbarukan Aulia Wulansari Agustin; Sudarti, Sudarti; Yushardi, Yushardi
INSOLOGI: Jurnal Sains dan Teknologi Vol. 2 No. 6 (2023): Desember 2023
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v2i6.2841

Abstract

Waste is one of the most serious problems experienced by the world, and Indonesia is no exception. Waste generated by human activity or nature will continue to increase, if this waste is not managed properly, it will cause new problems such as being a source of disease, can cause global warming and can cause foul odors. On the other hand, energy demand will continue to increase along with the increasing population and economic growth. The limitations of available energy sources are dwindling, thus demanding attention to switch energy sources using renewable energy sources to meet the increasing energy needs. This study aims to identify the potential utilization of biogas from organic waste in various potential applications that can support renewable energy sources. In this research, the method used is a literature study which is analyzed by descriptive analysis method. The results obtained in this study are the making of biogas is done by several processes and using a digester. This biogas has the potential to be a renewable energy source because it contains very high methane and carbon dioxide compounds. Biogas from organic materials can be used as cooking fuel, a substitute for petrol (gasoline), lighting, and power generation. Of course, the utilization of biogas from organic waste can reduce the amount of waste supply and become a source of energy that is very beneficial for daily life.
Application of Gauss-Jordan in Fixed Pulley System Solving to Mathematical Thinking Abilities and Learning Outcomes Maryani; Bambang Supriadi; Ummi Zahrotul Ainiyah; Aulia Wulansari Agustin; Lutfiah Hafifatul Jannah; Sakti Kalisa Sefanda; Shinta Nuriyah Mahbubiyah Royani
Jurnal Pendidikan Fisika Vol. 14 No. 2 (2026): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/0jeqap46

Abstract

Mathematical thinking ability is an essential component of physics learning because many physical phenomena are represented through mathematical models and systems of equations. However, students often have difficulty solving fixed-pulley system problems because they must simultaneously interpret physical concepts and solve systems of linear equations with multiple variables. This study aimed to analyze the application of the Gauss-Jordan elimination method in learning fixed pulley systems and to examine its effect on mathematical thinking ability, learning outcomes, and student responses. The study employed a quantitative approach with a posttest-only control-group quasi-experimental design. The participants comprised 130 respondents across two educational levels: 61 university students from the Physics Education Study Program at the University of Jember and 69 eleventh-grade students from SMAN 3 Jember. The experimental class was taught using the Gauss-Jordan elimination method, while the control class was taught using the substitution-elimination method. Data were collected through essay tests, learning outcome tests, and response questionnaires, and analyzed using the Independent Samples t-test and the Mann-Whitney U test, depending on the data distribution. The results showed that among school students, significant differences were found in the indicators of specializing (0.016), generalizing (0.001), and conjecturing (0.031), but not in convincing (0.468). Among university students, significant differences were found across all mathematical thinking indicators: specializing (0.007), generalizing (0.000), conjecturing (0.018), and convincing (0.004). Learning outcomes also differed significantly for both university students (0.000) and school students (0.010). In addition, student responses to the method's implementation were positive, averaging 71%. The novelty of this study lies in the integration of the Gauss-Jordan elimination method as a structured mathematical procedure in solving fixed pulley system problems in physics learning across two educational levels. In conclusion, the Gauss-Jordan elimination method can serve as an alternative instructional strategy that supports mathematical thinking, improves learning outcomes, and strengthens the connection between physical concepts and mathematical representations, thereby contributing to more systematic and meaningful physics education.
Co-Authors Bambang Supriadi Fadhiyah Nurul Qowasmi I Ketut Mahardika Lutfiah Hafifatul Jannah Maryani Sakti Kalisa Sefanda Shinta Nuriyah Mahbubiyah Royani Singgih Baktiarso Sudarti Sudarti Ummi Zahrotul Ainiyah Yesica Listian Adelia Yushardi Yushardi, Yushardi