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The study aims to determine the type of misconception and the cause of misconception to occur in shape material at SMPN 8 Jember. The research subject amounted to 20 grade 9 students. Data collection techniques using description questions are disseminated online. Data analysis techniques use the grouping criteria of understanding concepts from Renner and Brumby. Based on research that has been conducted through analysis of the results of student answers and interviews conducted online. Then the results obtained show that students of SMPN 8 Jember experience misconceptions in shape material of Error in determining the square including rhombus, error in specifying square including rectangular, error in determining rectangular including the, and error in determining rhombus including kite. Keywords: miskonsepsi, shape

Competition in science and technology inthe 21st-century created challenges in the field of education that triggered the development of scientific approaches. One of them was the STEM-CP approach which consisted of Science, Technology, Engineering, Mathematics and Contextual Problems. One of the advantages of the STEM-CP approach was that it could train students critical thinking skills. The STEM-CP approach could be applied in learning media, one of which was a module that was useful for training students learning independence. The purpose of this study was to describe the application of the STEM-CP-based sound wave module to the critical thinking skills and learning independence of high school students in physics. The research design used was one group pretest-posttest. As the results of the study, students experienced an increase in students critical thinking skills with an N-gain value between 0.67 to 0.74 in the medium and high categories. The fairly good category changed to 85 in the impressive category. So that the application of the STEM-CP-based sound wave module was proven to be successful in improving students critical thinking skills and independent learning.