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Implementasi Pembelajaran Berdiferensiasi Berbantuan Media Pembelajaran Berbasis Games untuk Meningkatkan Motivasi Belajar IPA pada Peserta Didik Kelas VII SMP 18 Makassar Ashhabul Kahfi Khaer; A. Agus Salim; Siti Nur Wanda; Sitti Saenab; Ramlawati Ramlawati
PTK: Jurnal Tindakan Kelas Vol. 6 No. 2 (2026): Mei 2026
Publisher : Cipta Media Harmoni

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53624/ptk.v6i2.924

Abstract

Latar Belakang: Rendahnya motivasi belajar IPA pada peserta didik kelas VII SMP Negeri 18 Makassar ditunjukkan oleh kurangnya antusiasme, rendahnya partisipasi, dan menurunnya fokus selama pembelajaran. Tujuan: Penelitian ini bertujuan meningkatkan motivasi belajar IPA melalui implementasi pembelajaran berdiferensiasi berbantuan media pembelajaran berbasis game. Metode: Penelitian menggunakan pendekatan Penelitian Tindakan Kelas (PTK) model Kemmis & McTaggart yang dilaksanakan dalam dua siklus, meliputi perencanaan, pelaksanaan, observasi, dan refleksi. Data diperoleh melalui angket motivasi belajar berdasarkan model ARCS (Attention, Relevance, Confidence, Satisfaction) dan lembar observasi, kemudian dianalisis secara deskriptif kualitatif dan kuantitatif. Hasil: Motivasi belajar peserta didik meningkat dari rata-rata 35,57% pada pra-siklus (kategori rendah) menjadi 52,57% pada siklus I (kategori cukup), dan mencapai 71,22% pada siklus II (kategori tinggi). Peningkatan tertinggi terjadi pada aspek Confidence (73,4%) dan Attention (73,1%). Kesimpulan: Pembelajaran berdiferensiasi berbantuan media berbasis game terbukti efektif meningkatkan motivasi belajar IPA dengan menciptakan pembelajaran yang lebih menarik, interaktif, dan sesuai dengan kebutuhan peserta didik. Strategi ini berpotensi menjadi alternatif inovatif untuk meningkatkan kualitas pembelajaran IPA di tingkat SMP.
Indigenous Microorganisms for Biodegradation of Household Detergents in Aquatic Bioremediation: A Meta-Scientific Review Ashhabul Kahfi Khaer; Putri Nabila Tsabitah Arman; Asri Malisan; Nurul Hikma Ardianto; Ramlawati Ramlawati; Sahrani U
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): Juli - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i3.12151

Abstract

Household wastewater containing detergent residues is a major source of aquatic pollution due to synthetic surfactants, particularly Linear Alkylbenzene Sulfonate (LAS) and Alkyl Sulfate (AS), which are toxic and resistant to natural degradation. Bioremediation using indigenous microorganisms offers an environmentally friendly and cost-effective alternative for degrading these pollutants. This narrative review evaluated the potential of indigenous microorganisms for biodegradation of household detergent residues and their prospects for aquatic bioremediation. Literature was systematically collected from Google Scholar, PubMed, and Scopus, including primary research articles published in Indonesian or English between 2018 and 2025. Twenty eligible studies were analyzed. The findings showed that Pseudomonas, Bacillus, Acinetobacter, Aeromonas, and Corynebacterium were the most frequently reported indigenous bacteria capable of degrading detergent surfactants and related organic compounds, with degradation efficiencies ranging from 7.7% to 100%, depending on microbial characteristics, substrate type, and environmental conditions. Bacterial consortia and biofilm-based systems consistently achieved higher degradation efficiencies than single isolates. Biodegradation primarily involves extracellular enzymes, including monooxygenases, sulfo-transferases, and amidases, which convert surfactants into less harmful compounds. Despite most studies being limited to laboratory-scale experiments, indigenous microorganisms demonstrate strong potential as sustainable bioremediation agents. Future research should focus on consortium optimization, molecular characterization, and field-scale validation to improve practical implementation in aquatic environments.