Penelitian ini bertujuan untuk mengetahui kelayakan dan respon peserta didik terhadap lembar kerja peserta didik (lkpd) berbasis inkuiri terbimbing pada materi sistem pencernaan. penelitian ini menggunakan model pengembangan 4d (define, design, develop, disseminate). subjek uji coba dalam penelitian ini yaitu peserta didik kelas viii smp negeri 5 tarakan yang berjumlah 35 siswa. teknik pengumpulan data dilakukan dengan menggunakan kuisioner (angket) pada responden yang terdiri dari ahli materi, ahli media, dan praktisi guru untuk menilai kelayakan lkpd, serta peserta didik untuk menilai respon peserta didik. teknik analisis data dilakukan dengan deskriptif. hasil penelitian menunjukkan bahwa kelayakan lkpd berdasarkan hasil rata-rata penilaian ahli materi, ahli media, dan praktisi guru termasuk dalam kategori “sangat layak” dengan presentase sebesar 87%, sedangkan penilaian respon peserta didik dalam uji produk termasuk dalam kategori “sangat menarik” dengan presentase 87,5%. berdasarkan hasil tersebut lembar kerja peserta didik (lkpd) berbasis inkuiri terbimbing pada materi sistem pencernaan layak untuk digunakan dalam pembelajaran. kata kunci : lembar kerja peserta didik, inkuiri terbimbing, sistem pencernaan

The purpose of this study was to find out if guided inquiry-based student worksheets on the digestive system are possible and how students would react to them. this research implements the 4d development model (define, design, develop, and disseminate). the trial subjects of this research were 35 eighth-grade students from smp negeri 5 tarakan. using questionnaires, data collection techniques were carried out. these questionnaires were distributed to respondents, which included subject matter experts, media experts, and practising teachers. the purpose of these questionnaires was to evaluate the feasibility of the student worksheets, and students were also included in the evaluation process. descriptive data analysis techniques were implemented. the study's findings suggest that the student worksheets are "highly feasible" with a percentage of 87%, as indicated by the average ratings of subject matter experts, media experts, and practicing teachers. meanwhile, the student response to the product trial is classified as "very attractive," with a percentage of 87.5%. the guided inquiry-based student worksheets on the digestive system material have been determined to be appropriate for use in the classroom based on these results. keywords: student worksheets, guided inquiry, digestive system