PENGEMBANGAN LKPD BERBASIS PJBL UNTUK MENINGKATKAN CRITICAL THINKING MATERI SISTEM PERNAPASAN PADA MANUSIA KELAS V SD

Project-based learning-based student worksheets are the end result of this study's efforts to foster critical thinking among fifth graders. Analysis, Design, Development, Implementation, and Evaluation (ADDIE) is development model employed in research (Research Development). Tests surveys primary instruments here. The test designed measure skills graders, while survey used validate product assess its usefulness teachers. Experts media, materials, languages all contributed product's validity test. Expert validation by media professionals yielded 100% validity, expert material 95% revisions according suggestions, linguists 92% suggestions. findings teacher indicated that majority LKPD teaching materials based on Project Based Learning were very practical, achieving a score 88%. results ability students can be obtained with an average 0.71 0.82 which means there increase high category.