The purpose of this study was to examine the comparison between the flipped classroom model and the direct instruction model on students' understanding of scientific concepts. The type of research used is quasy experiment. This research was conducted in class VIII Islamic Junior High School Al-Karim Gondang (experimental class) and Islamic Junior High Darul 'ulum Gondang Nganjuk Indonesia (control class). Sampling was using cluster random sampling technique and hypothesis testing using SPPS application with one way ANOVA test. The results showed that there were differences in the effect of the flipped classroom model and the direct instruction model on students' understanding of science concepts, where the significance value was 0.000 < 0.05. The flipped classroom model has a better effect than the direct instruction model on students' understanding of scientific concepts. The average score of the students' science concept understanding test scores in the class that was taught using the flipped classroom model was 78.13 and the class taught by the direct instruction model was 71.43. The flipped classroom model is effective for science learning and improves students' understanding of scientific concepts.

Flipped Classroom Model, Direct Instruction Model, Concept Understanding, Science.