By 2022, the ranking of Indonesian students' science literacy skills will improve from 70th to 64th, but the latest score is lower than before. In this research, the researchers use a mixed-methods embedded design. This study aims to describe the implementation and improvement of science and creative thinking skills in students following the introduction of a solar cell project in STEM learning using copper tape solar cells. The research sample consists of 40 junior high school students from a single experimental group. The data collection instruments include a pretest and a posttest to measure science literacy and creative thinking skills, as well as assessment rubrics to evaluate students' creativity. Implementing STEM copper tape-solar cell learning can improve students' science literacy skills, with an average n-gain of 0.4 in the medium category. Implementing STEM copper tape-solar cell learning can improve students' creative thinking skills, with an average n-gain of 0.5 in the medium category. Based on the MANOVA test, the provision of the STEM copper tape solar cell learning model as a whole can have a significant effect on science literacy, increased science literacy, creative thinking, and improved thinking.
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