This research is based on the low learning outcomes of science subject "ilmu pengetahuan alam (IPA)” of students grade 5Ath of SDN 034 Taraibangun, with grade average 63,41, while the minimum exhaustiveness criteria "kriteria ketuntasan minimal (KKM)” for IPA is 70. Among 44 students, only 17 students who reached KKM with 38,64% classical completeness. This research used classroom action r…