Pengembangan Perangkat Pembelajaran Berbasis Model Problem Solving Untuk Meni…

Abstract: The learning device developed is a problem solving model based on sound wave material for grade VIII SMP students, consisting of a Learning Implementation Plan (RPP), Student Worksheets (LKPD), and Learning Outcomes Test. The purpose of this study was to determine the validity of learning tools based on problem solving models on sound wave materials. This type of research is a Res…