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Download full textHoffenberg, Rebecca; Saxton, Emily – Electronic Journal of Science Education, 2015
"A Framework for K-12 Science Education," the foundation for the Next Generation Science Standards (NGSS), identifies scientific explanation as one of the eight practices "essential for learning science" (National Research Council, 2012, p. 41). In order to design professional development so teachers can implement these new…
Descriptors: Case Studies, Science Instruction, Teaching Methods, Best Practices
Boesdorfer, Sarah B. – Electronic Journal of Science Education, 2015
Representations are an effective tool that chemistry teachers choose to use in their classes to help their students understand abstract concepts. According to the model of pedagogical content knowledge (PCK), a teacher's knowledge of representations is part his/her PCK, which is shaped specifically by his/her orientation towards science teaching.…
Descriptors: Chemistry, Scientific Concepts, Science Instruction, Science Teachers
