In this study, it was aimed to investigate the effects of modelling and the materials designed with augmented reality technology on the academic success of students, their motivation, and their interest levels towards the science course. The study was conducted in 6th grade science units on "Support and Movement Systems" and "Systems in Our Body". In the study, a quasi-experimental design with a pre-test and post-test control group was applied. The study was carried out with three groups: the control group, the augmented reality experimental group, and the modeling experimental group. The research sample consists of a total of 66 students studying at a public middle school in the Küçükçekmece district of Istanbul province during the 2020-2021 academic year. To collect data, a 30-item Science Achievement Test, a 23-item Science Motivation Scale, and a 27-item Science Interest Scale were applied. The Kruskal-Wallis test was applied for multiple comparisons, and Mann-Whitney U tests were carried out for post-hoc comparisons. For intragroup comparisons, Wilcoxon Signed Ranks tests were applied. According to the results of the study, it was concluded that the use of augmented reality and modeling techniques in the science course had a statistically significant effect on the academic success, motivation, and interest of the students towards the science course.