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Ramli, Irwan
Program Studi Fisika Fakultas Sains Universitas Cokroaminoto Palopo, Indonesia
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PENDAMPINGAN PELAKSANAAN LESSON STUDY BAGI GURU BIOLOGI DI SMA NEGERI 2 PALOPO Eva Sohriati; Nurmalasari S.; Nurasia Nurasia; Irwan Ramli; Khaerati Khaerati
Jurnal Abdimas Indonesia Vol. 3 No. 3 (2023): Juli-September 2023
Publisher : Perkumpulan Dosen Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53769/jai.v3i3.533

Abstract

Kegiatan pendampingan pelaksanaan lesson Study bagi guru biologi di SMA Negeri 2 Palopo bertujuan untuk meningkatkan keterampilan guru dalam merancang proses pembelajaran di dalam kelas berbasis lesson study dengan tujuan agar dapat meningkatkan keaktifan peserta didik dalam proses pembelajaran sehingga dapat meningkatkan hasil belajar peserta didik khususnya pada mata pelajaran biologi. Kegiatan ini dilaksanakan selama 1 bulan yakni pada bulan Juli 2023. Kegiatan dilaksanakan dalam 3 tahapan yakni perencanaan, pelaksanaan dan Evaluasi. Pada tahapan perencanaan tim pengabdian melakukan observasi awal dan wawancara dengan pihak sekolah terkait permasalahan guru biologi disekolah. Pada tahapan pelaksanaan dilakukan melalui kegiatan pelatihan penyusunan bahan ajar atau kegiatan penyususnan lesson plan oleh guru model, dilanjutkan dengan tahapan pelaksanaan pembelajaran didalam kelas (do) dan diakhiri dengan kegiatan see yang merupakan refleksi dari pelaksanaan kegiatan didalam kelas. Adapun hasil yang diharapkan dari kegiatan ini adalah meningkatnya keterampilan guru dalam mengajar dan meningkatkan keaktifan serta hasil belajar peserta didik. Hasil dari kegiatan lesson study terlihat adanya peningkatan keaktifan siswa dalam proses pembelajaran didalam kelas.
Android Based Multimedia for Teaching Science in Junior High School Ramli, Irwan; Nurasia, Nurasia; Khaerati, Khaerati
Jurnal Pendidikan Fisika Vol 13, No 1 (2025): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jpf.v13i1.17202

Abstract

The COVID-19 pandemic has profoundly transformed global education, necessitating adaptive learning strategies to overcome the challenges of remote science instruction. This study aimed to develop and evaluate Android-based interactive multimedia using Adobe Flash CS for science learning, particularly human excretory system material, at Sukamaju State Junior High School 1. The research employed a Research and Development (RD) approach based on the ADDIE model, comprising analysis, design, development, implementation, and evaluation stages. The study involved 27 students from class VIII, selected through simple random sampling. Data were collected using expert validation sheets, teacher and student response questionnaires, and student learning outcomes assessments. The results indicated that the developed multimedia met all quality standards: media expert validation (98.5%), material validation (97%), language validation (86%), and video content validation (92%), all categorized as “very valid.” In terms of practicality, teacher and student responses yielded scores of 98% and 84.2%, respectively, indicating high practicality. Regarding effectiveness, student learning outcomes averaged 87.23%, and class completeness reached 81.4%, both falling into the “very effective” category. These findings demonstrate that Android-based science multimedia significantly enhances student engagement and learning outcomes by offering visually rich, interactive, and flexible educational content. The multimedia enables autonomous learning and supports teachers in delivering effective science instruction. Future research is recommended to broaden the content coverage across subjects and to develop applications compatible with online platforms for wider accessibility.
Android Based Multimedia for Teaching Science in Junior High School Ramli, Irwan; Nurasia, Nurasia; Khaerati, Khaerati
Jurnal Pendidikan Fisika Vol. 13 No. 1 (2025): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jpf.v13i1.17202

Abstract

The COVID-19 pandemic has profoundly transformed global education, necessitating adaptive learning strategies to overcome the challenges of remote science instruction. This study aimed to develop and evaluate Android-based interactive multimedia using Adobe Flash CS for science learning, particularly human excretory system material, at Sukamaju State Junior High School 1. The research employed a Research and Development (R&D) approach based on the ADDIE model, comprising analysis, design, development, implementation, and evaluation stages. The study involved 27 students from class VIII, selected through simple random sampling. Data were collected using expert validation sheets, teacher and student response questionnaires, and student learning outcomes assessments. The results indicated that the developed multimedia met all quality standards: media expert validation (98.5%), material validation (97%), language validation (86%), and video content validation (92%), all categorized as “very valid.” In terms of practicality, teacher and student responses yielded scores of 98% and 84.2%, respectively, indicating high practicality. Regarding effectiveness, student learning outcomes averaged 87.23%, and class completeness reached 81.4%, both falling into the “very effective” category. These findings demonstrate that Android-based science multimedia significantly enhances student engagement and learning outcomes by offering visually rich, interactive, and flexible educational content. The multimedia enables autonomous learning and supports teachers in delivering effective science instruction. Future research is recommended to broaden the content coverage across subjects and to develop applications compatible with online platforms for wider accessibility.
Electronic Structure of Various Shapes of Graphene Quantum Dot Ramli, Irwan; N. Sani; Sukarti; Nurmalasari
Jurnal Sains Materi Indonesia Vol. 27 No. 1 (2025): Jurnal Sains dan Materi Indonesia
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jsmi.2025.8998

Abstract

– We reported our study the electronic structure of graphene in bulk structure and graphene quantum dot (GQD) by density functional theory (DFT) by using in quantum espresso (QE) package. In order simulate the realistic shape of GQD, we set vacuum layer to avoid interaction between quantum dot in the periodic structure in crystal. We examined various shape of quantum dot namely triangular, Hexagon, parallelogram. The band gap is tunable by its shape which open wide application of GQD. We showed that we can tuning the electronic structure of graphene by tuning its structure. In bulk structure, graphene is zero-gap semiconductor. On the other hand, the results on GQD showed the discrete energy level and different shapes of GQD have different energy level and band gap.
Co-Authors Arfa, Nirmala Aryadi Nurfalaq Eva Sohriati Fitri Djusmi Hilda Rahmawati Illing, Ilmiati Indah Jaya Jusmi, Fitri Khaerati Khaerati Khaerati, Khaerati N. Sani Nurannisa Wahyuni Nurasia Nurasia Nurasia Nurasia Nurasia Nurasia, Nurasia Nurmalasari Nurmalasari, Nurmalasari Rahma Hi Manrulu, Rahma Hi Rahma Hi. Manrulu Risda Sucianti Azis Sukarti