Lately, the industrial revolution 4.0 has become an important issue in all countries, including Indonesia. Indonesia responds quickly to this issue, especially in the field of education. The Directorate General of Research and Technology Resources of the Ministry of Higher Education (Kemristekdikti) provide actions to face the industrial revolution 4.0 through critical thinking, creativity, communication, and collaboration (4C). Critical thinking is important to be applied in all subjects, one of which is physics. Physics learning requires search, solve, create, and share learning model (SSCS) to stimulate critical thinking. The aim of this research is to investigate the impact of SSCS model with scaffolding toward students' critical thinking. This research was done through quasi-experimental research with non-equivalent control group design at