PENINGKATAN HASIL BELAJAR IPA MATERI SISTEM PERNAPASAN MANUSIA MELALUI MODEL PROJECT BASED LEARNING PADA SISWA SEKOLAH DASAR

In response to the subpar academic performance of 5th grade understudies at SDN 016 Loa Janan in the academic year 2022-2023, this test was created. Through the use of project-based learning (PJBL), this project seeks to improve the scientific learning outcomes for fifth-graders at SDN 016 Loa Janan in the academic year 2022-2023. A sort of study known as classroom action research (PTK) is conducted across two cycles, with two sessions per cycle. Planning, carrying out, observing, and reflecting were the four steps of each of the two cycles over which this research was conducted. The findings of this study's project-based learning experiments on the human respiratory system are its main focus. Twenty students from SDN 016 Loa Janan's class V participated as the study's participants. collecting data for study via tests and documentation of perception. The average score climbed to 60 (57%) with 11 complete students in the first cycle, and to 70.25 (80%) with 16 full students in cycle II. The analysis found that cycle I had a classical completeness of 26.32 percent, whereas cycle II had a classical completeness of 45.90 percent. The outcomes of cycle II research provide a 75% indication of research success