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Nadila Pasomba
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NARRATIVE REVIEW: PEMANFAATAN KALSIUM KARBONAT DARI LIMBAH CANGKANG TELUR DALAM PRODUK RUMAH TANGGA RAMAH LINGKUNGAN Ramlawati Ramlawati; Nadila Pasomba; Mutmainnah; Nurul Maulidia; Sahrani U
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 3 (2026): Juni: Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i3.10201

Abstract

Eggshell waste is a type of household organic waste that has not been optimally utilized and has the potential to cause environmental pollution. In fact, eggshells contain very high calcium carbonate (CaCO₃), reaching 90–97%, enabling them to be processed into various environmentally friendly and economically valuable household products. This study aims to comprehensively review the utilization of calcium carbonate from eggshell waste in environmentally friendly household products. The method used was a narrative review with literature searches through the Google Scholar database covering the 2019–2025 period, yielding 20 relevant articles that were systematically analyzed. The results show that eggshells are effectively utilized in agriculture as organic fertilizer to neutralize soil pH, in environmental applications as adsorbents for heavy metals, and in household products such as antibacterial toothpaste, aromatherapy candles, natural abrasive materials, and various aesthetically valuable crafts. The success of this utilization is greatly influenced by processing methods, particle size, calcination temperature, and material purity. In conclusion, eggshell waste has great potential as an alternative raw material supporting the concepts of zero waste, circular economy, and sustainable development. Further research is needed on long-term product stability, industrial-scale cost-benefit analysis, and safety tests for direct human applications.
Upaya Meningkatkan Keaktifan Peserta Didik pada Materi Gunung Berapi melalui Media Interaktif dan Percobaan Sederhana di Kelas VIII SMP YP PGRI Disamakan Makassar Aqil Rahmatul Fiqram; Nadila Pasomba; Asri Malisan; Sitti Saenab; Ramlawati Ramlawati; Hasjunika Hasbi
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 3 (2026): Juni: Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i3.10277

Abstract

Penelitian ini bertujuan untuk meningkatkan keaktifan belajar peserta didik pada materi gunung berapi melalui penerapan media interaktif dan percobaan sederhana di kelas VIII SMP YP PGRI Disamakan Makassar. Jenis penelitian yang digunakan adalah Penelitian Tindakan Kelas (PTK) dengan model Kemmis dan McTaggart yang terdiri atas dua siklus, yaitu perencanaan, pelaksanaan tindakan, observasi, dan refleksi. Subjek penelitian adalah peserta didik kelas VIII tahun ajaran 2025/2026. Teknik pengumpulan data dilakukan melalui observasi, angket, dan dokumentasi. Hasil penelitian menunjukkan bahwa penerapan media interaktif dan percobaan sederhana mampu meningkatkan keaktifan belajar peserta didik. Pada kondisi awal, peserta didik cenderung pasif, kurang fokus, dan kurang berpartisipasi dalam pembelajaran. Pada siklus I, penggunaan PowerPoint interaktif mulai meningkatkan perhatian dan keterlibatan peserta didik, meskipun belum optimal. Pada siklus II, melalui percobaan sederhana gunung api bikarbonat, peserta didik menjadi lebih aktif bertanya, berdiskusi, melakukan percobaan, dan mempresentasikan hasil pengamatan. Peserta didik juga menunjukkan antusiasme dan rasa ingin tahu yang lebih tinggi selama proses pembelajaran berlangsung. Dengan demikian, penerapan media interaktif dan percobaan sederhana dapat meningkatkan keaktifan belajar peserta didik pada materi gunung berapi di kelas VIII SMP YP PGRI Disamakan Makassar.
Co-Authors Aqil Rahmatul Fiqram Asri Malisan Hasjunika Hasbi Mutmainnah Nurul Maulidia Ramlawati, Ramlawati Sahrani U Sitti Saenab