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Nie, Ying; Xiao, Yang; Fritchman, Joseph C.; Liu, Qiaoyi; Han, Jing; Xiong, Jianwen; Bao, Lei – International Journal of Science Education, 2019
Knowledge integration is essential to achieve deep conceptual understanding, which requires students to develop well-connected knowledge structures through the central idea of a concept. To effectively represent and analyze knowledge integration, a conceptual framework model on force and motion is developed to map learners' knowledge structures in…
Descriptors: Physics, Middle School Students, Teaching Methods, Science Instruction
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Yao, Jian-Xin; Guo, Yu-Ying; Neumann, Knut – International Journal of Science Education, 2017
This paper presents a revised learning progression for the energy concept and initial findings on diverse progressions among subgroups of sample students. The revised learning progression describes how students progress towards an understanding of the energy concept along two progress variables identified from previous studies--key ideas about…
Descriptors: Science Instruction, Scientific Concepts, Energy, Teaching Methods