The research problem is the poor performance of fourth grade students learn science SDS Aisyiyah Bengkalis. Complete Minimal Value Criteria (KKM) IPA set school is 65.00. among 23 students only 10 students who achieve KKM.. This research is a classroom action research (CAR) conducted aims to improve learning outcomes fourth grade science students SDS Aisyiyah Bengkalis by applying inquiry learn…