Pendas : Jurnal Ilmiah Pendidikan Dasar, ISSN Cetak : 2477-2143 ISSN Online : 2548-6950 Volume 09 Nomor 01, Juni 2023 1529 PENINGKATAN HASIL BELAJAR IPAS MATERI TRANSFORMASI ENERGI MELALUI MODEL PEMBELAJARAN PROBLEM BASED LEARNING PADA KELAS IV SEKOLAH DASAR Nisfia Rani 1 , Gigit Mujianto 2 1 PPG FKIP Universitas Muhammadiyah Malang 2 Universitas Muhammadiyah Malang 1 nisfiarani831@gmail.com, 2 gigit@umm.ac.id, ABSTRACT Science learning in the independent curriculum can provide 6C skills that must be possessed by 21st century students to realize the Pancasila student profile. However, the reality shows that science learning has not been integrated according to the standard objectives of the independent curriculum. This research is motivated by the low science learning outcomes caused by learning activities that are still teacher centered, resulting in less skilled and active students in learning. The solution to these problems is by conducting problem-based learning research. This study aims to improve learning outcomes through the PBL model of the Natural Sciences subject matter of energy transformation. The research subjects were fourth grade students including 6 boys and 16 girls at SDN 2 Girimoyo Malang. The method used in this research is a lesson study-based classroom action research method with two research cycles each consisting of a plan, do, see plot. The data collection method of this study used observation sheet instruments, interview activities, and test sheets given to students. The data analysis technique used is quantitative descriptive. The results of this study are very comprehensive above the KKM, namely in the first cycle obtaining an average classical completeness score of 86.95 and the second cycle with a classical completeness learning result of 89.63. This proves that the implementation of problem based learning can provide a significant increase in student learning outcomes. Keywords: Learning Outcomes, Problem Based Learning, IPAS ABSTRAK Pembelajaran IPAS pada kurikulum merdeka dapat memberikan keterampilan 6C yang harus dimiliki siswa abad 21 untuk mewujudkan profil pelajajar pancasila. Namun kenyataan menunjukkan bahwa pembelajaran IPAS belum terintegrasi sesuai dengan satndart tujuan dari kurikulum merdeka. Riset ini dilatarbelakangi oleh rendahnya hasil belajar IPAS yang disebabkan karena kegiatan pembelajaran masih teacher centered, sehingga mengakibatkan kurang terampil dan aktifnya siswa dalam pembelajaran. Solusi dari permasalahan tersebut dengan melakukan plan, do, see penelitian pembelajaran berbasis masalah. Penelitian ini memiliki tujuan untuk meningkatkan hasil belajar melalui model PBL mata pelajaran IPAS materi transformasi energi. Subyek riset ini adalah siswa kelas IV diantaranya 6 laki- laki dan 16 perempuan SDN 2 Girimoyo Malang. Metode yang digunakan dalam penelitian ini adalah metode penelitian tindakan kelas berbasis lesson study dengan dua siklus penelitian yang disetiap siklusnya terdiri atas alur. Metode pengumpulan data penelitian ini menggunakan instrument lembar observasi, kegiatan wawancara, dan lembar tes yang diberikan pada siswa. Teknis analisis data yang