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Stephens, A. Lynn; Roderick, Steven; Shin, Namsoo; Damelin, Daniel – International Journal of Science and Mathematics Education, 2023
An ability to engage in system thinking is necessary to understand complex problems. While many pre-college students use system modeling tools, there is limited evidence of student reasoning about causal relationships that interact in diverging and converging chains, and how these affect system behavior. A chemistry unit on gas phenomena was…
Descriptors: Chemistry, Science Instruction, High School Students, Scientific Concepts
Shin, Namsoo; Choi, Sung-Youn; Stevens, Shawn Y.; Krajcik, Joseph S. – International Journal of Science and Mathematics Education, 2019
A coherent curriculum that clearly defines sets of ideas that build upon one another to meet desired learning goals can successfully support the development of meaningful understanding across time. This study explores the influence of a coherent curriculum as a systematic approach to aligning and sequencing specific ideas to support students in…
Descriptors: Chemistry, Science Instruction, Instructional Materials, Student Attitudes