The aim of this study is to further develop teaching strategies for promoting self-regulated learning and representational competencies in science classes. Students need to learn to autonomously integrate multiple representations of natural phenomena to form robust conceptual understanding, and inquiry-based learning is needed to promote self-regulated learning. In this study, we focused on the generate-evaluate-modify (GEM) cycle (Kahn, 2007) developed to encourage students’ engagement with scientific inquiry, model construction, and revision. Taking account of a cyclical pattern in which students generate, evaluate, and modify (GEM) throughout the classes, we developed instruction models to develop and guide their autonomous learning. Results indicate that (1) students can learn representational competencies such as depiction of representation, symbolic skills in an early stage and syntactic use of representations through the G level instruction, and simultaneously developed observational and emulative levels of self-regulatory competencies. (2) Students can also learn semantic use of representations through the E level instruction, and develop selfregulatory competencies or self-controlled level. (3) Finally, students learned reflective use of representations, an advanced feature of the representational competencies, through the M level instruction, and simultaneously reached self-regulatory competencies at a self-regulated level.
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