Abstract
The purpose of this study was to investigate the effects of science lesson applying STEAM education on the science learning motivation and science academic achievement of elementary school students. The study subjects were four classes of the 5th grade of M elementary school in B Metropolitan City. Two classes including 64 students were experimental group and the others including 65 students were comparison group. For the purpose of study, the lesson unit 'The human body' were practised, the recomposed unit applying STEAM was applied to experimental group, whereas comparison group was taught traditional science lesson. The results of this study were as follows. First, the science lesson applying STEAM education influenced significantly the improvement of the science learning motivation of elementary school students. Second, the science lesson applying STEAM education influenced significantly the improvement of the science academic achievement of elementary school students.