ZulhelmiNoer, MuhammadYusber, RosiSuryani, Lili2014-04-142014-04-142014-04-14978-602-19531-05wahyu sari yenihttp://repository.unri.ac.id/xmlui/handle/123456789/6094The aim of these research is to know the cognitive skill and social skill development of students in learning physic by applying copperative model with NHT approach and TSOS to kinematic of rectilinear motion subject in SMA Negeri 12 Pekanbaru academic year 2009/2010. The subject of this research is class X4 and the total of the students are 36. The research instruments are cognitive test and observation sheet of social skill. The data collection techniques are test and observation. descriptive analysis of average student learning outcomes 74.6% in both categories, inferential analysis results show that the proposed research hypothesis can be accepted at the signficant level of confidence of 95%. The data analyzed descriptively which included 5 indicators: doing task (91,67%) high categories, support participation (75%) high categories, took the turn and share the task (76,56%) high categories, listening actively (86,72%) high categories and asking question (59,38%) medium categories. So that, the application of cooperative model with NHT approach and TSOS could exercised the cognitive skill and social skilldevelopment of stdents at SMA Negeri 12 Pekanbaru to kinematic of rectilinear motionenUR-Proceedings