The purpose of using interactive powerpoint media is improving students' understanding of concepts. In the research that has been conducted involving 62 students of 11th natural science grade even semester of the academic year 2021/2022 at MAS PP Daarun Nahdhah Tawalib Bangkinang, Kab. Kampar, Prov. Riau. The first purpose of research is to describe students' conceptual understanding through th…