The implementation of project-based worksheets to develop students scientific performance through Edible Film production

Khoirunnisa, Kuntum Salsabilla (2025) The implementation of project-based worksheets to develop students scientific performance through Edible Film production. KATALIS: Jurnal Penelitian Kimia dan Pendidikan Kimia, 8 (1). pp. 18-28. ISSN 2721-9038

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Abstract

INDONESIA: Rendahnya kinerja ilmiah siswa dalam pembelajaran kimia menjadi salah satu permasalahan utama dalam pendidikan, terutama karena pendekatan pembelajaran yang masih didominasi oleh metode konvensional dan berpusat pada guru. Pembelajaran yang kurang melibatkan siswa secara aktif dapat menghambat pengembangan keterampilan berpikir kritis, pemecahan masalah, dan kemampuan kinerja ilmiah siswa. Penelitian ini bertujuan untuk mengembangkan kinerja ilmiah siswa melalui penerapan Lembar Kerja berbasis proyek dalam pembuatan edible film dari limbah biji nangka (Artocarpus heterophyllus). Penelitian menggunakan pendekatan kuantitatif melalui penerapan metode pre experimental dengan desain one-shot case study yang melibatkan 34 siswa kelas XI jurusan Kimia Industri di salah satu Sekolah Menengah Kejuruan (SMK) di Kota Cimahi. Instrumen penelitian terdiri dari lembar observasi aktivitas siswa, lembar kerja berbasis proyek, dan lembar penilaian kinerja ilmiah. Hasil menunjukkan bahwa aktivitas siswa selama pembelajaran memperoleh nilai rata-rata 97, pengerjaan lembar kerja mencapai nilai rata-rata 94, dan kierja ilmiah siswa sebesar 92, masing-masing terkategori sangat baik. Temuan ini membuktikan bahwa penggunaan lembar kerja berbasis proyek mampu mengembangkan keaktifan, kemandirian, dan kemampuan ilmiah siswa, serta menjadi alternatif solusi terhadap permasalahan pembelajaran sains yang masih pasif di sekolah. ENGLISH: The low scientific performance of students in learning chemistry is one of the main problems in education, mainly because the learning approach is still dominated by conventional methods and teacher-centered. Learning that does not actively involve students can hinder the development of critical thinking skills, problem solving, and students' scientific performance abilities. This study aims to develop students' scientific performance through the application of project-based worksheets in making edible film from jackfruit seed waste (Artocarpus heterophyllus). The research used a quantitative approach through the application of pre-experimental methods with a one-shot case study design involving 34 students of class XI majoring in Industrial Chemistry at one of the vocational high schools (SMK) in Cimahi City. The research instruments consisted of student activity observation sheets, project-based worksheets, and scientific performance assessment sheets. The results showed that student activity during learning obtained an average score of 97, worksheet work achieved an average score of 94, and student scientific performance of 92, each categorized as very good. These findings prove that the use of project-based worksheets can develop students' activeness, independence, and scientific abilities, and become an alternative solution to the problem of passive science learning in schools.

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