This research is caused by the low of science’s learning outcome of the fourth grade students at SDN 67 Pekanbaru in science subject. Based on the minimum mastery criteria (KKM), which set at school is 75, from 28 students of the fourth grade who reach KKM are 12 students (42,86 %) and the students who do not reach KKM are 16 students (57,14 %) with an average score 66,96. The objective of t…