Penelitian ini bertujuan untuk menghasilkan produk berupa modul IPA berbasis model experiential learning terhadap pemahaman konsep siswa. Jenis penelitian yang digunakan dalam penelitian ini adalah R&D (Research and Development) dengan model pengembangan ADDIE (analyze, design, development, implementation, evaluation). Penelitian ini dilaksanakan di SMP negeri 1 Srengat dengan populasi semua siswa kelas VIII Tahun ajaran 2017/2018. Sampel penelitian ini menggunakan teknik purposive sampling dengan kelas VIII F sebagai kelas experimen. Penelitian ini merupakan penelitian pre experimental design dengan desain one-shot case study. Pengumpulan data menggunakan validasi para ahli, angket keterbacaan, angket keterlaksanaan pembelajaran, angket respon, dan tes untuk mendapatkan data pemahaman konsep siswa. Hasil penelitian analisis data diperoleh: validitas modul IPA ditinjau berdasarkan kelayakan materi dan kelayakan media sangat layak digunakan, dengan validitas berdasarkan kelayakan materi sebesar 90.58% dan reliabilitas sebesar 92.74%, sedangkan validitas berdasarkan kelayakan media sebesar 95.07% dan reliabilitas sebesar 97.22%, asil keterbacaan modul IPA sebesar 75.11% dengan kategori sangat mudah, hasil keterlaksanaan pembelajaran sebesar 90.85% dengan kategori sangat baik, hasil respon siswa menggunakan modul IPA sebesar 70.83% dengan kategori menarik, dan hasil rata-rata tes pemahaman konsep siswa sebesar 66.28 dengan kategori baik. Berdasarkan hasil tersebut dapat disimpulkan bahwa modul IPA berbasis model experiential learning sangat layak digunakan dan efektif digunakan dalam pembelajaran. . Kata Kunci: model experiential learning, modul IPA, pemahaman konsep siswa.

The purpose of this research was to got a product in the form of science module based experimental learning model on student concept understanding. Type of research was R&D (Research and Development) with developing ADDIE (analyze, design, development, implementation, evaluation). The research applied at SMPN 1 Srengat with all students in the grade VIII. The sample in this research was purposive technique sampling with VIII F as experimental class. This research was a pre experimental design research with one-shot case study design. Data collected used validation by validator, legibility, learning implementation, student’s response, and test to get data student concept understanding. The result showed that there was: the validity of science module based on feasibility of material and media very worth used with of validity the material feasibility score was 90.58% and reliability score was 92.74%, while validity based on feasibility of media score was 95.07% and reliability score was 97.22%, the result of legibility science module score was 75.11% with very easy category, the result of learning implementation by using science module based on experiential learning model score was 90.85% with very good category, the result of students response by using science module score was 70.83% with interesting category, and the result average of test concept understanding score was 66.28 with qualification good. Based on the result can be concluded that the science module based on experiential learning model very feasibility used and used effective on learning. Keywords: experiential learning, science module, student concept understanding

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