Pengembangan Lembar Kegiatan Peserta Didik (LKPD) Berbasis Model Osborn Pada …

This development research aims to develop a LKPD based on the Osborn Model on the subject of valid ion balance and pH of saline solution. This research is a development research (R&D) which refers to the ADDIE stage, but this research only reaches the Development stage. The research instruments used were validation sheets and user response questionnaires. The assessment on the validation sh…