Penelitian ini bertujuan untuk mengembangkan LKS (Lembar Kerja Siswa) berbasis POE (Predict, Observe, Explain) terhadap keterampilan proses sains siswa. Penelitian dan pengembangan ini menggunakan model pengembangan ADDIE dengan 5 tahap yaitu: Analysis, Design, Develop, Implementation, dan Evaluation. Desain penelitian menggunakan desain one-shot case study. Subyek pada penelitian ini adalah siswa kelas VIII B SMP Barunawati Surabaya tahun pelajaran 2018/2019. Berdasarkan hasil penelitian menunjukkan bahwa hasil penilaian respons siswa terhadap LKS berbasis POE sebesar 87% dengan kriteria sangat baik.

The aims of research were to develop of student’s worksheet based on POE toward student’s science process skills. This research and development used ADDIE development model with 5 steps that are Analysis, Design, Develop, Implementation, and Evaluation. The research used a one-shot case study design. The subject of this research were students of class VIII B SMP Barunawati Surabaya in 2018/2019 academic year. The result of the study showed that the result of assessment of student’s responses to student’s worksheet based on POE is 87% with very good category.

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