This study aims to determine whether there is an effect of critical thinking skills and students' science learning outcomes after participating in SETS-based science learning. This research is a quantitative research. The type of research used is a quasi experimental design. The population in this study were all students of SDN 70 Manjalling, Maros Regency with a total of 354 students and the research sample was class V students of SDN 70 Manjalling which consisted of 2 groups in class VA totaling 25 people and class VB totaling 24 people. Data collection techniques in this study were carried out using test techniques to determine critical thinking skills in the form of 6-item essay questions and science learning outcomes in the form of 20 ...