Lembar Kerja Laboratorium Berbasis Proyek Pembuatan Koloid dengan Pemanfaatan Daun Cincau Perdu (Premna Oblongifolia)

Chemistry practicum is still only concept verification or a cookbook.This study aims to develop student worksheets on producing jelly as colloid product by using perdu cincau leaves (Premna Oblongifolia). The method used in this development research with ADDIE models (Analysis, Design, Development, Implementation, Evaluation), which done until step. Analysis curricula of topic and literature project-based have been carried out at analysis At step also interviewed high school teachers found that there no for supporting KD 4.15. design step, the experiment was optimized best laboratory work obtained, such materials, tools procedures. Then, worksheet draft created validated experts. Based suggestions given validator, content number 11 omitted because it contained irrelevant instructions. Content 2 added 15 16 an explanation added. 3, 4 12, necessary edit sentences. After revising, ready be implemented learning activities.