ABSTRACT
Since the COVID-19 pandemic, learning at the university or school level has implemented online learning. Even though the learning is conducted online, the teacher candidate's scientific argumentation skills must be trained. One way is through the MIKIR approach. The purpose of this research is analyzing the science pre-service teachers’ scientific argumentation skills by using MIKIR approach during pandemic COVID-19. This type of research is a quasi-experimental study with a one-shot case study design. The research sample was 50 pre-service teachers. The instrument was an argumentation essay test based on the argumentation aspects according to Toulmin;claim, data, warrant and backing. The science pre-service teachers’ scientific argumentation skills will be analyzed through the one-sample T test assisted by the SPSS version 22 application. The results of this study is shown by the T score, 0.010> 0.05, is larger than a significance level. It means that MIKIR approach during pandemic COVID-19 can practice significantly to the scientific argumentation skills of science pre-service teachers. Keywords: science pre-service teachers’ scientific argumentation skills, MIKIR approach, science learning during pandemic COVID-19