The research aims to determine whether the application of the Osborn learning model can improve student learning outcomes on the subject of Reduction and Oxidation Reaction in X MIPA SMAN 10 Pekanbaru. The type of this research is experimental research with randomized control group pretest-posttest design. Sample of research is X MIPA 1 as the experimental class, X MIPA 3 as the contr ol class.…