The aims of this research are to describe the students' learning achievement and motivation after the role-playing method to the integrated science learning chapter human blood pressure in the eight grade class of 1st Junior High School State of Babat is applied. This research used pre-experimental research design and was applied to one treatment class, that is VIII B. From the normality test, this result optained was Lo=0,1583 with the value from L-table = 0,1591. Thus, the sample was normally distributed. After the role-playing method was applied in the lesson, both of learning motivation and achievement posttest were given to the student. The mean significance test from the difference of learning achievement's pretest and posttest resulted the computed-t = 20,40 and the t-table = 1,70. This result states that the learning achievement result was significantly increased. The significance test from the difference of learning motivation pretest and posttest resulted (computed-t = 9,48) > (t-table=1,70) with significance level α = 0,05. Thus, the student learning motivation was also significantly increased. From these result it can be concluded that the application of role-playing method in the integrated science learning could significanly increase the student's learning achievement and motivation.