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Universitas Negeri Makassar
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Development of an Automatic Portable Calibrator for Tipping Bucket Rain Gauge (TBRG) Using a Load Cell and Simple Water Sensor Dani Zulfia Rohmah; Jasruddin; Subaer; Bagus Satrio Utomo
Jurnal Penelitian Pendidikan IPA Vol 10 No 9 (2024): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i9.7634

Abstract

The tipping bucket rain gauge is an automatic rain gauge that can measure rain intensity in mm/hour. Accurate measurement of rain intensity requires calibration of the rain gauge to ensure traceability. Calibration of a tipping bucket rain gauge is related to the volume of water as a calibration medium and time so as to produce a discharge that can be converted into rain intensity. Technological developments can make tipping bucket rain gauge calibration automatic by utilizing an Arduino Mega2560 microcontroller, a load cell and a simple water sensor based on the LM393 comparator IC, and combined with a compact design printed using a three-dimensional printer so that it can be used for ex-situ calibration. The data produced by this tool can be downloaded via the application that was built and produces a file in Excel form.
Development of Learning Interactive Media Assisted by Google Sites in the Subject of Light Wave for Increased Learning Outcome and Learning Motivation Halwiah; Subaer; Khaeruddin
Indonesian Journal of Advanced Research Vol. 5 No. 8 (2026): August 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v5i8.16919

Abstract

The integration of interactive digital media in physics learning is essential to address students’ difficulties in understanding abstract concepts such as light waves. This study aims to develop and evaluate interactive learning media assisted by Google Sites for light wave material. The research employed a Research and Development approach using the ADDIE model. The participants were 31 twelfth-grade students and one physics teacher. Data were collected using validation sheets, learning outcomes tests, motivation questionnaires, and response questionnaires. The results indicated that the developed media met the criteria of validity, effectiveness, and practicality. The average validity score reached 97.31%, while the classical completeness of learning outcomes was 96.77% with a mean score of 85.87. Students’ learning motivation increased by 18.72%, supported by the Wilcoxon test showing that all students experienced improvement. The practicality was reflected in positive responses from students (83.14%) and teachers (100%). These findings demonstrate that Google Sites-assisted interactive media effectively enhances students’ conceptual understanding and learning motivation, particularly in learning abstract physics concepts, and supports the implementation of student-centered learning in the digital era.
PENGARUH PASIR PANTAI TANJUNG BUNGA SEBAGAI AGREGAT HALUS TERHADAP KUAT TEKAN MORTAR GEOPOLIMER Muhamad Brazilun; Subaer; Husain
Jurnal Sains dan Pendidikan Fisika Vol. 20 No. 2 (2024): JURNAL SAINS DAN PENDIDIKAN FISIKA
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/jspf.v20i2.3695

Abstract

Telah dilakukan penelitian yang bertujuan untuk melihat pengaruh penambahan agregat halus pasir pantai Tanjung Bunga terhadap sifat mekanik mortar geopolimer. Mortar geopolimer diproduksi dengan bahan dasar fly ash, pasir pantai, NaOH (Natrium Hidroksida), Na2SiO3 (Sodium Silikat), dan H2O (Aquades), dituang ke dalam cetakan dengan ukuran 10 mm dan dirawat (cure) pada suhu 70℃ selama 1 jam. Sampel dibuat 4 komposisi dengan variasi penambahan agregat halus pasir pantai sebesar 0%, 10%, 20%, dan 30%. Sampel disimpan pada ruang terbuka selama 28 hari. Komposisi unsur/elemen pasir pantai dikarakterisasi menggunakan XRF (X-Ray Fluoresence). Struktur mikro sampel mortar geopolimer yang dihasilkan dipelajari dengan menggunakan SEM (Scanning Electron Microscopy). Struktur kristal sampel mortar geopolimer dikarakterisasi menggunakan XRD (X-Ray Diffraction). Sifat mekanik mortar geopolimer diuji melalui kuat tekan (Compressive Strength). Sifat fisik mortar geopolimer dikarakterisasi menggunakan pengukuran massa jenis dan porositas. Hasil penelitian ini menawarkan wawasan baru tentang potensi agregat halus pasir pantai sebagai salah satu bahan alternatife dalam pembuatan mortar maupun beton.
ANALISIS KESULITAN PESERTA DIDIK DALAM MEMECAHKAN MASALAH FISIKA PADA SISWA KELAS XI SMA NEGERI 2 MAKASSAR Nurhaida Saiye; Bunga Dara Amin; Subaer
Jurnal Sains dan Pendidikan Fisika Vol. 20 No. 3 (2024): JURNAL SAINS DAN PENDIDIKAN FISIKA
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/jspf.v20i3.5305

Abstract

Penelitian ini merupakan penelitian deskriptif dengan pendekatan kuantitatif yang bertujuan untuk mengetahui kesulitan peserta didik dalam memecahkan masalah fisika serta faktor-faktor penyebabnya. Pengumpulan data dilakukan dengan memberikan soal tes diagnosa untuk mengetahui tingkat kesulitan peserta didik. Kemudian dari hasil tersebut dipilih 7 peserta didik untuk dilakukan wawancara guna memverifikasi kesulitan peserta didik. Kesulitan pemecahan masalah dianalisis berdasarkan langkah-langkah pemecahan masalah Polya, yaitu memahami masalah, merencanakan penyelesaian, dan penyelesaian masalah sesuai rencana. Berdasarkan hasil tes diagnosa bahwa peserta didik yang memperoleh skor yang rendah, maka mengalami kesulitan yang tinggi dalam memecahkan masalah fisika. Kesulitan yang dialami peserta didik yaitu; sulit dalam mengidentifikasi sebuah masalah, sulit menentukan rumus/persamaan yang digunakan, sulit menyelesaikan jawaban dengan sempurna. Adapun faktor lain yang menyebabkan peserta didik mengalami kesulitan yaitu faktor kognitif siswa, yang meliputi kemampuan mengingat, pemahaman konsep, kemampuan menganalisis peserta didik, faktor non kognitif yang meliputi sikap, minat dan kepribadian, gaya guru mengajar, serta fasilitas dan suasana belajar. Kata Kunci : Kesulitan, Pemecahan Masalah, Masalah Fisika, Fisika This research is a descriptive research with a quantitative approach which aims to determine the difficulties of students in physics problem solving and that factors. The data were taken by giving diagnostic test questions to determine the level of difficulty of students. From these results, 7 students were selected to be interviewed to verify their difficulties. Problem solving difficulties were analyzed based on Polya's problem solving steps, that are understanding the problem, devising a plan, and carrying out the plan. Based on the results of the diagnostic test, students who get low scores have high difficulty in physics problem solving . The difficulties experienced by students are; difficult to identify a problem, difficult to determine the formula/equation used, difficult to complete the answer perfectly. As for other factors that cause students to experience difficulties, namely students' cognitive factors, which include memory ability, understanding students concepts, analytical ability. non-cognitive factors which include attitudes, interest and personality, teacher teaching style, and than learning facilities and environtment Keywords : Difficulty, Problem Solving, Problems of Physics, Physics
KONSEPSI FISIKA BAGI PESERTA DIDIK SMA BARRANG LOMPO DALAM MEMAJUKAN SISTEM PENANGKAPAN TERIPANG Sumita; M. A. Martawijaya; Subaer
Jurnal Sains dan Pendidikan Fisika Vol. 21 No. 1 (2025): JURNAL SAINS DAN PENDIDIKAN FISIKA
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/jspf.v21i1.6048

Abstract

Penelitian ini adalah penelitian kualitatif jenis studi kasus. Penelitian ini bertujuan untuk mengetahui konsepsi fisika dalam memajukan sistem penangkapan teripang bagi peserta didik SMA Barrang Lompo. Subjek pada penelitian ini adalah satu orang peserta didik kelas X MIPA dan dua orang peserta didik kelas XI MIPA yang paling menyukai mata pelajaran fisika. Pengumpulan data dilakukan melalui observasi, tes tulis, wawancara dan dokumentasi. Wawancara dilakukan kepada peserta didik dengan memberikan perlakuan dan memperlihatkan gambar kepada peserta didik mengenai sistem penangkapan teripang. Data yang terkumpul kemudian diolah dan dianalisis secara kualitatif. Berdasarkan hasil penelitian, dapat disimpulkan bahwa peserta didik menyukai mata pelajaran fisika dan sudah mampu mengkonsepsikan konsep fisika dalam tahap pengeringan teripang, akan tetapi belum dapat mengkonsepsikan konsep fisika pada tahap persiapan dan tahap pelaksanan penangkapan teripang. Jika ditinjau dari semua pertanyaan yang diberikan kepada peserta didik dapat dikatakan bahwa peserta didik termasuk dalam kategori sudah mampu memahami konsepsi fisika dalam tahap pengeringan teripang. Sistem penangkapan teripang melibatkan berbagai konsep fisika seperti tekanan hidrostatis, daya apung, hambatan fluida, dan prinsip Bernoulli. Pemahaman terhadap faktor-faktor ini membantu nelayan dalam meningkatkan efisiensi penangkapan serta menjaga keselamatan mereka selama operasi di bawah air. Seperti factor daya Apung dan kepadatan air, efek cahaya dan optik dalam air serta tekanan air dan keamanan penyelam. Kata Kunci: Konsepsi, Kearifan lokal, Sistem penangkapan teripang This research is a qualitative case study type research. This research aims to determine the concept of physics in advancing the sea cucumber fishing system for Barrang Lompo High School students. The subjects in this research were one class X MIPA student and two class XI MIPA students who liked physics the most. Data collection was carried out through observation, written tests, interviews and documentation. Interviews were conducted with students by providing treatment and showing pictures to students regarding the sea cucumber catching system. The collected data is then processed and analyzed qualitatively. Based on the research results, it can be concluded that students like physics subjects and have been able to conceptualize physics concepts in the drying stage of sea cucumbers, but have not been able to conceptualize physics concepts in the preparation and implementation stages of catching sea cucumbers. If we look at all the questions given to students, it can be said that students are included in the category of being able to understand the physical concepts in the drying stage of sea cucumbers. The sea cucumber fishing system involves various physical concepts such as hydrostatic pressure, buoyancy, fluid resistance, and Bernoulli's principle. Understanding these factors helps fishermen increase fishing efficiency and maintain their safety during underwater operations. Such as buoyancy factors and water density, light and optical effects in water as well as water pressure and diver safety. Keywords: Conception, Local Wisdom, Sea Cucumber Catching System
EFEKTIVITAS MODEL PEMBELAJARAN PROJECT BASED LEARNING TERHADAP HASIL BELAJAR PESERTA DIDIK PADA MATERI GELOMBANG BUNYI DAN CAHAYA Yunike Kurnia Unda’; Usman; Subaer
Jurnal Sains dan Pendidikan Fisika Vol. 21 No. 2 (2025): JURNAL SAINS DAN PENDIDIKAN FISIKA
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/jspf.v21i2.7486

Abstract

Penelitian ini bertujuan untuk menentukan efektivitas model pembelajaran Project Based Learning untuk meningkatk hasil belajar siswa pada materi gelombang bunyi dan cahaya. Penelitian ini menggunakan one group pretest-postest design yaitu pre-experiment yang dilakukan pada satu kelas eksperimen. Subjek penelitian adalah kelas XI MIPA ALPS SMA Zion Makassar yang berjumlah 34 peserta didik. Tes hasil belajar terhadap materi digunakan untuk mengumpulkan data. Data tersebut dianalisis menggunakan statistik deskriptif. Hasil analisis deskriptif menunjukkan bahwa siswa memperoleh hasil belajar yang lebih baik pada materi gelombang bunyi dan cahaya, dengan rata-rata gain ternormalisasi 0,76 dan berada dalam kategori tinggi. Berdasarkan data ini, dapat disimpulkan bahwa pengunaan model pembelajaran berbasis proyek efektif untuk meningkatkan hasil belajar peserta didik pada materi gelombang bunyi dan cahaya. Kata Kunci : Efektivitas, Hasil Belajar, Project Based Learning This study aims to determine the effectiveness of project learning-based learning models to improve student learning outcomes in the material of sound and light waves. This study used a one-group pretest-posttest design, namely a pre-experiment conducted in one experimental class. The research subjects were class XI MIPA ALPS SMA Zion Makassar, totaling 34 students. Tests of learning outcomes on the material are used to collect data. The data were analyzed using descriptive statistics. The results of the descriptive analysis show that students acquire better learning outcomes in the material of sound and light waves, with an average normalized gain of 0.76, and are in the high category. Based on this data, it can be interpreted that the use of project-based learning models is effective for improving student learning outcomes in the material of sound and light waves. Keywords : Effectiveness, Learning outcomes, Project Based Learning.
PENGEMBANGAN MEDIA INFOGRAFIS BERBANTUAN MEDIA SOSIAL INSTAGRAM SEBAGAI MEDIA PELENGKAP PEMBELAJARAN FISIKA DI SMAN 11 MAKASSAR Dindi Akhlakul Karimah; Subaer; Nurhayati
Jurnal Sains dan Pendidikan Fisika Vol. 21 No. 3 (2025): JURNAL SAINS DAN PENDIDIKAN FISIKA
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/jspf.v21i3.10125

Abstract

Penelitian ini merupakan desain dan pengembangan (D&D). Tujuan penelitian ini adalah untuk menghasilkan media pelengkap pembelajaran yang layak dan memperoleh respon positif dari peserta didik dan guru. Penelitian ini dilaksanakan dengan melalui tahap desain dan tahap pengembangan untuk menghasilkan media infografis yang layak serta memperoleh respon positif dari peserta didik dan guru. Instagram adalah media sosial yang digunakan dalam menyebarkan media infografis yang telah dikembangkan ke subjek uji coba. Subjek uji coba pada penelitian ini adalah peserta didik kelas XI MIPA 5 SMAN 11 Makassar yang berjumlah 30 orang. Data penelitian diperoleh dengan cara validasi lembar penilaian media oleh tim validator dan memberi angket respon kepada peserta didik dan guru melalui platform google form. Penelitian ini menunjukkan bahwa hasil validitas media sebesar 84% dan hasil analisis angket respon peserta didik dan guru sebesar 79% dan 87%. Berdasarkan hasil penelitian disimpulkan bahwa media infografis pada materi elastisitas yang dikembangkan sudah layak dan memperoleh respon positif dari peserta didik dan guru. Kata Kunci : Instagram, Media Infografis, Pengembangan  This research is a design and development (D&D). The purpose of this research was to produce appropriate complementary learning media and obtain positive responses from students and teachers. This research was carried out through the design stage and the development stage to produce appropriate infographic media and obtain positive responses from students and teachers. Instagram is a social media used to upload infographic media that has been developed to test subjects. The test subjects in this research are students of class XI MIPA 5 SMAN 11 Makassar, totaling 30 people. The research data was obtained by validating the media assessment sheet by the validator team and giving response questionnaires to students and teachers through the google form platform. This research shows that the results of media validity of 84% and the results of the questionnaire response analysis of students and teachers of 79% and 87%, respectively. Based on the results of the research, it was concluded concluded that the infographic media on the elasticity topic developed is feasible and has received positive responses from students and teachers. Keywords : Instagram, Infographics Media, Development
PENGEMBANGAN MEDIA PEMBELAJARAN JOYFUL BERBASIS APLIKASI EDUVI UNTUK MATERI GAYA GESEK DI SMA NEGERI 2 BANTAENG A. Musfira Dwi Humaira MS; Subaer; A. Momang Yusuf
Jurnal Sains dan Pendidikan Fisika Vol. 22 No. 2 (2026): JURNAL SAINS DAN PENDIDIKAN FISIKA
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/jspf.v22i2.13645

Abstract

Penelitian ini merupakan penelitian pengembangan yang bertujuan untuk mengetahui: (1) kelayakan media pembelajaran joyful berbasis aplikasi Eduvi pada materi gaya gesek, dan (2) respons guru fisika serta peserta didik terhadap media pembelajaran joyful berbasis aplikasi Eduvi yang dikembangkan. Data penelitian diperoleh dari 2 orang validator sebagai ahli materi dan ahli media, 1 orang guru fisika, serta 33 peserta didik kelas XI.D SMA Negeri 2 Bantaeng pada semester genap tahun pelajaran 2025/2026. Prosedur pengembangan menggunakan model ADDIE yang meliputi tahap analisis (analysis), perancangan (design), pengembangan (development), implementasi (implementation), dan evaluasi (evaluation). Instrumen yang digunakan dalam penelitian ini adalah lembar validasi dan angket respons guru serta peserta didik. Kelayakan media ditinjau berdasarkan aspek validitas materi dan media. Berdasarkan hasil analisis data diperoleh kesimpulan bahwa: (1) media pembelajaran joyful berbasis aplikasi Eduvi yang dikembangkan dinyatakan layak digunakan dengan koefisien validitas Gregory sebesar 0,71 yang berada pada kategori validitas sedang; dan (2) respon guru fisika terhadap media berada pada kategori sangat baik, sedangkan respons peserta didik menunjukkan 73% berada pada kategori sangat baik dan 27% berada pada kategori baik. Dengan demikian, aplikasi Eduvi layak digunakan sebagai media pembelajaran fisika yang interaktif dan menyenangkan pada materi gaya gesek. Kata Kunci : Aplikasi Eduvi, Gaya Gesek, Joyful Learning,  Pembelajaran Fisika. This research is development research that aims to determine: (1) the feasibility of the Eduvi application-based joyful learning media on friction force material, and (2) the responses of physics teachers and students to the Eduvi application-based joyful learning media that was developed. The research data were obtained from 2 validators as material experts and media experts, 1 physics teacher, and 33 students of class XI.D of SMA Negeri 2 Bantaeng in the even semester of the 2025/2026 academic year. The development procedure used the ADDIE model which includes the stages of analysis, design, development, implementation, and evaluation. The instruments used in this research were validation sheets and teacher and student response questionnaires. The feasibility of the media was reviewed based on the validity aspects of the material and media. Based on the results of the data analysis, it was concluded that: (1) the Eduvi application-based joyful learning media that was developed was declared feasible to use with a Gregory validity coefficient of 0.71 which is in the moderate validity category; and (2) the physics teacher's response to the media was in the very good category, while the students' responses showed that 73% were in the very good category and 27% were in the good category. Thus, the Eduvi application is suitable for use as an interactive and fun physics learning media for the friction force material. Keywords: Eduvi Application, Friction Force, Joyful Learning, Physics Learning.
Co-Authors A. Momang Yusuf A. Musfira Dwi Humaira MS Bagus Satrio Utomo Bunga Dara Amin Dani Zulfia Rohmah Dindi Akhlakul Karimah Halwiah Husain Jasruddin Khaeruddin, Khaeruddin M. A. Martawijaya Muhamad Brazilun Nurhaida Saiye Nurhayati Sumita Usman, Usman Yunike Kurnia Unda’