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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Fisika dan Terapannya Inovasi Fisika Indonesia (IFI) Jurnal Sains dan Pendidikan Fisika
Jasruddin
Universitas Negeri Makassar
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Materials Science & Nanotechnology Physics

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Pengaruh Temperatur Karbonisasi Terhadap Karakteristik Briket Berbasis Arang Sekam Padi Dan Tempurung Kelapa Nur Afrianah; Rustan Ruslan; Heri Rahmat Suryadi; Irmawati Amir; Al Irsyad; Jasruddin; Nurhayati
JFT : Jurnal Fisika dan Terapannya Vol 9 No 2 (2022): DESEMBER
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v9i2.25566

Abstract

The effects of carbonized temperature on the briket-based properties of rice husks and coconut shells. This study aims to determine the effects of carbonization on brique-based, rice husk and coconut shell which include water content, ash content, volatile matter content, and calorific value. The research method used in this study is purely experimental within a process of carbonization of rice husk divested by free variables at temperatures of 300°C, 400°C, and 500°C for 30 minutes and carbonized coconut shells with a constant variable temperature of 500°C for 2 hours. Measures of a rice chaff and coconut shell of 200 mesh. Making briquettes with fixed variables, namely the composition of rice husk charcoal: coconut shell charcoal = 1: 3 (5 g:15 g) and printed using a pressure of 99.91 kPa. Then do the testing of water content, ash content, volatile matter and heating value. Test results on each type of briquettes with variations in the temperature of 300°C rice husk carbonization and 500°C coconut shell, 400oC rice husk carbonization temperature and 500°C coconut shell and 500°C rice husk carbonization temperature and 500°C coconut shell temperature were respectively obtained for 0.78% water content , 0.56% and 0.41%, ash content of 42.40%, 35.50% and 32.70%, volatile matter of 26.19%, 24.92% and 24.38%, and calorific value amounted to 3381.70 cal/g, 4261.50 cal/g, and 4621.50 cal/g.
Pengaruh Minat Belajar, Kecerdasan Emosional dan Motivasi Berprestasi terhadap Kemampuan Berpikir Kritis Fisika Peserta Didik Kelas XI UPT SMAN 4 Bantaeng Marwati; Jasruddin; Kaharuddin Arafah
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.v10i12.8891

Abstract

This research is an experimental research with the type of Ex Post Facto research, which aims to analyze the effect of learning interest on achievement motivation, learning interest on critical thinking skills, emotional intelligence on achievement motivation, emotional intelligence on critical thinking skills. Using a casual survey method with Path Analysis techniques. Based on the results of expert assessments, it is declared valid and suitable for use. Furthermore, the instrument that was declared valid by the expert was then tested on class XII students, after the instrument was tested and a valid instrument was obtained, then the valid instrument was tested on class XI students. Based on the results of this study, it was obtained that the critical thinking skills of students in Physics were in the moderate category, while Learning Interest, Emotional Intelligence, and Achievement Motivation were in the high category. From the results of the Path Analysis test between variables, it was obtained that there was an insignificant influence of interest in learning Physics on achievement motivation, there was an insignificant influence between interest in learning on critical thinking skills, there was a significant influence between emotional intelligence on achievement motivation, there was an insignificant influence between emotional intelligence on critical thinking skills, there was an insignificant influence between achievement motivation on critical thinking skills.
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.
PRAKIRAAN DAERAH RAWAN LONGSOR DI KOLAKA TIMUR MENGGUNAKAN METODE LOGIKA FUZZY Dwi Zayyan Nurrahma Safitri; Jasruddin; Pariabti Palloan
Inovasi Fisika Indonesia Vol. 15 No. 2 (2026): Vol 15 No 2
Publisher : Prodi Fisika FMIPA Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ifi.v15n2.p206-217

Abstract

Abstrak Tanah longsor adalah salah satu bencana alam hidrometeorologi yang sering terjadi di Indonesia. Di Provinsi Sulawesi Tenggara, Kabupaten Kolaka Timur termasuk salah satu daerah yang sering mengalami kejadian tanah longsor sehingga berpotensi menimbulkan banyak korban jiwa maupun kerugian material. Untuk menentukan daerah yang memiliki tingkat kerawanan longsor dapat digunakan beberapa metode, salah satunya adalah logika fuzzy. Logika fuzzy merupakan suatu metode yang dapat menerapkan sifat kesamaran pada nilai sehingga mampu mengikuti cara berpikir manusia. Pada penelitian ini, logika fuzzy digunakan untuk menentukan tingkat kerawanan longsor pada setiap kecamatan di Kabupaten Kolaka Timur. Metode logika fuzzy terdiri dari tiga tahapan, yaitu fuzzyfikasi, penalaran, dan defuzzyfikasi. Penelitian ini menggunakan lima parameter sebagai input, yaitu curah hujan, kemiringan, ketinggian, jenis tanah, serta penggunaan lahan, dan menghasilkan keluaran berupa tingkat kerawanan. Hasil penelitian menunjukkan bahwa terdapat tiga kecamatan yang termasuk dalam kelas sangat rawan, empat kecamatan dalam kelas rawan, dan lima kecamatan dalam kelas tidak rawan. Abstract Landslides are one of the hydrometeorological natural disasters that frequently occur in Indonesia. In Southeast Sulawesi Province, East Kolaka Regency is one of the areas where landslides often occur, resulting in significant loss of life and material damage. To determine landslide-prone areas, several methods can be used, one of which is fuzzy logic. Fuzzy logic is a method that applies the concept of vagueness in values and is capable of representing human reasoning. In this study, fuzzy logic is used to determine the level of landslide susceptibility in each district of East Kolaka Regency. The fuzzy logic method consists of three stages: fuzzification, inference, and defuzzification. This study uses five parameters as input variables, namely rainfall, slope, elevation, soil type, and land use, and produces an output in the form of a landslide susceptibility level. The results show that three districts are classified as very highly susceptible, four districts are classified as susceptible, and five districts are classified as not susceptible.
HUBUNGAN ANTARA KECERDASAN EMOSIONAL DENGAN HASIL BELAJAR FISIKA PESERTA DIDIK KELAS X SMA NEGERI 2 LUWU UTARA Dwi Setiawati; Jasruddin; Helmi
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.v20i2.3694

Abstract

Penelitian ini adalah expost facto yang bertujuan untuk mendeskripsikan korelasi antara kecerdasan emosional dengan hasil belajar fisika peserta didik kelas X SMA Negeri 2 Luwu Utara tahun ajaran 2021/2022. Variabel bebas dalam penelitian ini adalah kecerdasan emosional, sedangkan variabel terikatnya adalah hasil belajar fisika. Populasi dalam penelitian adalah seluruh peserta didik kelas X SMA Negeri 2 Luwu Utara tahun ajaran 2021/2022, sedangkan untuk sampel penelitiannya adalah peserta didik kelas X MIPA SMA Negeri 2 Luwu Utara tahun ajaran 2021/2022. Data hasil penelitian diperoleh dengan memberikan kuesioner kecerdasan emosional dan tes hasil belajar fisika. Teknik analisis data menggunakan statistik deskriptif dan statistik inferensial. Berdasarkan hasil analisis data diperoleh bahwa tidak terdapat hubungan yang signifikan antara kecerdasan emosional dan dengan hasil belajar Fisika peserta didik kelas X SMA Negei 2 Luwu Utara dapat dilihat dari nilai Sig 0,818> 0,05. Ada banyak faktor yang berpengaruh dalam penelitian ini salah satunya proses pembelajaran daring yang memberikan dampak pada proses pembelajaran peserta didik.
HUBUNGAN KEMANDIRIAN DAN KESIAPAN BELAJAR PESERTA DIDIK TERHADAP HASIL BELAJAR FISIKA KELAS X MIPA SMAN 6 MAKASSSAR Nurfilzah; Jasruddin; Abdul Haris
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.v20i3.5299

Abstract

Penelitian ini bertujuan untuk mengetahui hubungan antara kemandirian dan kesiapan belajar terhadap hasil belajar fisika peserta didik di SMAN 6 Makassar. Pada penelitian ini, kemandirian dan kesiapan belajar merupakan variabel independent dan hasil belejar fisika peserta didik merupakan variabel dependen. Populasi dalam penelitian ini adalah peserta didik kelas X MIPA di SMAN 6 Makassar dengan jumlah sampel sebanyak 82 orang. Teknik pengambilan sampel yang digunakan ialah Teknik simple random sampling. Data hasil penelitian yang diperoleh merupakan data primer berupa tes kemandirian belajar peserta didik, kesiapan belajar peserta didik, dan tes hasil belajar fisika peserta didik. Analisis data menggunakan uji korelasi Pearson Product Moment. Penelitian ini menunjukkan bahwa: (1) tidak terdapat hubungan antara kemandirian belajar dan hasil belajar peserta didik dengan nilai koefisien korelasi sebesar 0,005 dan signifikansi sebesar 0,967; (2) tidak terdapat hubungan antara kesiapan belajar dan hasil belajar fisika peserta didik dengan nilai koefisien korelasi sebesar 0,032 dan signifikansi sebesar 0,777; (3) tidak terdapat hubungan antara kemandirian belajar dan kesiapan belajar terhadap hasil belajar fisika peserta didik dengan nilai koefisien korelasi sebesar 0,055 dan sig.F change sebesar 0,887. Kata Kunci : kemandirian belajar, kesiapan belajar, hasil belajar fisika This study aims to determine the relationship between independence and learning readiness towards students’ physics learning outcome at SMAN 6 Makassar. In this study, independence and learning readiness are the independent variables and physics learning outcomes is the dependent variable. The population in this study were student of class X MIPA at SMAN 6 Makassar with a total sample of 82 people. The sampling technique used is simple random sampling technique. The research data obtained are primary data in the form of students' learning independence tests, students' learning readiness, and students' physics learning outcomes tests. Data analysis used the Pearson Product Moment correlation test. This study shows that: (1) there is no relationship between independent learning and students’ physics learning outcomes with a correlation coefficient of 0.005 and a significance of 0.967; (2) there is no relationship between learning readiness and students' physics learning outcomes with a correlation coefficient of 0.032 and a significance of 0.777; (3) there is no relationship between learning independence and learning readiness towards students' physics learning outcomes with a correlation coefficient of 0.055 and a sig.F change of 0.887. Keywords : learning independence, learning readiness, physics learning outcome
SINTESIS MEMBRAN BERBASIS KARBON AKTIF MENGGUNAKAN AKTIVATOR H3PO4 BERBAHAN DASAR TEMPURUNG KELAPA Nurhafika Ayu Saputri; Jasruddin; Vicran Zharvan
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.v21i1.6189

Abstract

Penelitian ini bertujuan untuk mengembangkan membran berbasis karbon aktif untuk filtrasi logam berat Pb dalam air. Karbon aktif disintesis dari tempurung kelapa menggunakan metode aktivasi kimia dengan larutan H₃PO₄, dengan variasi waktu aktivasi 12, 18, dan 24 jam. Membran dibuat dengan mencampurkan karbon aktif, metakaolin, dan larutan alkali. Karakterisasi dilakukan menggunakan scanning electron microscopy (SEM) untuk menganalisis struktur mikro dan ukuran pori karbon aktif serta membran, serta atomic absorption spectroscopy (AAS) untuk mengukur efektivitas filtrasi logam Pb.Hasil karakterisasi AAS menunjukkan bahwa kadar Pb dalam air mengalami penurunan dari 3,569 mg/L menjadi 2,163 mg/L (aktivasi 12 jam), 0,703 mg/L (aktivasi 18 jam), dan 0,709 mg/L (aktivasi 24 jam). Karakterisasi SEM mengungkapkan bahwa karbon aktif memiliki ukuran pori rata-rata masing-masing 6,66 µm, 6,56 µm, dan 4,19 µm untuk setiap variasi waktu aktivasi. Sementara itu, hasil analisis SEM pada membran menunjukkan adanya retakan pada semua sampel, dengan akumulasi bongkahan terbesar pada sampel MCA-18. Temuan ini menunjukkan bahwa karbon aktif yang disintesis dapat mengurangi kadar Pb dalam air secara signifikan, meskipun struktur membran masih perlu dioptimalkan untuk meningkatkan kestabilannya. Kata Kunci: Aktivasi, Karbon Aktif, Membran, Asam Fosfat This study aims to develop an activated carbon-based membrane for heavy metal Pb filtration in water. Activated carbon was synthesized from coconut shell using a chemical activation method with H₃PO₄ solution, with activation time variations of 12, 18, and 24 hours. The membrane was fabricated by mixing activated carbon, metakaolin, and an alkaline solution. Characterization was conducted using scanning electron microscopy (SEM) to analyze the microstructure and pore size of both the activated carbon and the membrane, as well as atomic absorption spectroscopy (AAS) to evaluate the Pb filtration efficiency.The AAS results showed a reduction in Pb concentration from 3.569 mg/L to 2.163 mg/L (12-hour activation), 0.703 mg/L (18-hour activation), and 0.709 mg/L (24-hour activation). SEM characterization revealed that the activated carbon had an average pore size of 6.66 µm, 6.56 µm, and 4.19 µm for each activation time variation. Meanwhile, SEM analysis of the membrane indicated the presence of cracks in all samples, with the largest agglomerations observed in the MCA-18 sample. These findings suggest that the synthesized activated carbon effectively reduces Pb concentration in water, although the membrane structure requires further optimization to enhance its stability. Keywords: Activation, Activated Carbon, Membrane, Phosphoric Acid
ANALISIS PERSEPSI SISWA KELAS XI TERHADAP PENGGUNAAN CHATGPT PADA PEMBELAJARAN FISIKA DI SMAN 2 MAKASSAR Aksal Agusaldi; Jasruddin; Syamsul Wahid
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.v22i2.13331

Abstract

Penelitian ini merupakan penelitian survei yang bertujuan mengetahui persepsi siswa kelas XI terhadap penggunaan ChatGPT dalam pembelajaran fisika di SMA Negeri 2 Makassar. Subjek penelitian berjumlah 84 siswa pada tahun ajaran 2025/2026. Instrumen yang digunakan berupa angket non-tes sebanyak 40 butir pernyataan yang mencakup empat aspek, yaitu kebergunaan, kemudahan mempelajari, kemudahan penggunaan, dan kepuasan pengguna. Data diperoleh melalui penyebaran angket kepada responden, kemudian dianalisis menggunakan teknik deskriptif kuantitatif. Hasil penelitian menunjukkan bahwa persepsi siswa tergolong positif dengan persentase sebesar 82,14%, serta seluruh aspek yang diteliti juga memperoleh hasil positif. Temuan ini mengindikasikan bahwa ChatGPT dapat diterima dengan baik dan mendukung peningkatan kualitas interaksi dalam pembelajaran mandiri, baik di dalam maupun di luar kelas, sehingga berpotensi menjadi alternatif yang efektif dalam menunjang pembelajaran fisika. Selain itu, penggunaan teknologi ini membantu siswa memahami konsep secara lebih fleksibel, cepat, dan mandiri, serta memberikan akses informasi yang luas sebagai sumber belajar tambahan yang relevan dan akurat Kata Kunci : ChatGPT Artificial Intelligence, Pembelajaran Fisika, Penelitian Deskriptif Kuantitatif. Abstract – This research is a survey aimed at determining the perceptions of eleventh-grade students toward the use of ChatGPT in physics learning at SMA Negeri 2 Makassar. The subjects consisted of 84 students in the 2025/2026 academic year. The instrument used was a non-test questionnaire comprising 40 statement items covering four aspects: usefulness, ease of learning, ease of use, and user satisfaction. Data were collected through questionnaire distribution and analyzed using descriptive quantitative techniques. The results indicate that students’ perceptions are generally positive, with a percentage of 82.14%, and all analyzed aspects also show positive outcomes. These findings suggest that ChatGPT is well accepted and supports improved interaction quality in independent learning, both inside and outside the classroom. Furthermore, this technology helps students understand concepts more flexibly, quickly, and independently, while providing broad access to relevant and accurate information as an additional learning resource. Keywords: ChatGPT Artificial Intelligence, physics learning, Quantitative Descriptive Research.
Co-Authors Abdul Haris Aksal Agusaldi Al Irsyad Bagus Satrio Utomo Dani Zulfia Rohmah Dwi Setiawati Dwi Zayyan Nurrahma Safitri Helmi Heri Rahmat Suryadi Irmawati Amir Kaharuddin Arafah Marwati Nur Afrianah Nurfilzah Nurhafika Ayu Saputri Nurhayati Pariabti Palloan Rustan Ruslan Subaer Syamsul Wahid Vicran Zharvan