Pemberdayaan Guru Kimia melalui Lesson Study for Learning Community dalam Penguatan Praktikum Green Chemistry Skala Kecil Berbasis Kemaritiman
Chemistry Teacher Empowerment through Lesson Study for Learning Community to Strengthen Green Chemistry Practicum for Small-Scale Maritime-based Education
DOI:
https://doi.org/10.29303/darmadiksani.v6i4.11780Keywords:
Kimia Hijau, Kimia Skala Kecil, Lesson Study For Learning Community, Pemberdayaan Guru Kimia, Pendidikan KemaritimanAbstract
Keterbatasan fasilitas laboratorium, penggunaan bahan kimia dalam jumlah relatif besar, pengolahan limbah serta belum optimalnya pemanfaatan potensi lingkungan lokal merupakan tantangan dalam pelaksanaan praktikum kimia di sekolah pada wilayah kepulauan, khususnya kabupaten Lingga Kepulauan Riau. Kegiatan pengabdian masyarakat ini bertujuan untuk meningkatkan kompetensi guru dalam merancang dan mengimplementasikan praktikum Kimia Hijau skala kecil (small scale) berbasis kemaritiman melalui pendekatan Lesson Study For Learning Community (LSLC). Program ini dilaksanakan pada kelompok Guru Mata Pelajaran Kimia di SMAN1 Kabupaten Lingga dengan melibatkan 29 peserta. Pendekatan program mengintegrasikan penguatan konsep Green Chemistry dan small scale chemistry, penggunaan portable experiment kit, perancang kolaboratif, serta siklus Plan-Do-See. Produk pembelajaran dikembangkan terdiri dari lima praktikum kelas X-XI antara lain indikator alami bunga telang, kromatografi pigmen tumbuhan pesisir, densitas dan kepolaran dalam sistem air-minyak, simulasi pengasaman laut dan elektroplating skala kecil. Evaluasi kognitif menggunakan 12 butir pertanyaan yang dikelompokkan menjadi 4 indikator. Hasil menunjukkan rerata skor post-test menunjukakn rerata skor 93,97% dengan standar deviasi 1,07, kemudian median 12. Persentase jawaban benar pada Kimia Hijau, small-scale chemistry, keterampilan praktikum dan LSLC berturut -turut sebesar 96,55 %, 90,80%, 91,95 % dan 96,55 %. Hasil ini menunjukkan bahwa penguasaan pascakegiatan yang kuat pada aspek konseptual dan reflektif dengan penguatan pada aspek proseduran small scale dan keterampilan praktikum. Kebaharuan pada kegiatan ini adalah integrasi LSLC sebagai mekanisme pembelajaran professional. Model ini dapat menjadi alternatif pembelajaran khususnya di sekolah wilayah kepulauan yang memiliki keterbatasan fasilitas laboratorium.
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