Implementation of Problem Based Learning Models with Scientific Approaches in Efforts to Improve Learning Results in Chestpass Basketball Game for Class X High School Students 5 Tanjung Balai 2014–2015 Academic

— This study aims to determine the increase in chest pass learning outcomes in basketball through the application of a problem based learning model with a scientific approach. The subjects in this study were 32 students of class X-1 of SMA Negeri 5 Tanjung Balai. This type of research is classroom action research. To obtain the data in this study, a learning achievement test I and a learning achievement test II took the form of the application of the basic technique of a Basketball chest pass as much as two meetings. After the data is collected and analyzed, the results of the analysis are obtained: (1) In the first cycle after the first learning achievement test, it can be seen that from 32 students who were the subjects in this study, only 19 students (59.38%) already had mastery learning, while the remaining 13 students (40.62%) do not have mastery learning. The average value obtained only reached 73.34. (2) In the second cycle it can be seen that apparently of 32 students, there were 27 students who completed (84.38%) who had mastery learning, while the rest 5 students (15.62%) did not have mastery learning. The average value obtained reached 80.09. Based on that, it can be concluded that using a problem based learning model with a scientific approach can improve learning outcomes of Chest pass in the basketball game for grade X students of SMA Negeri 5 Tanjung Balai in the 2014/2015 academic year.