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Reference

  • National Research Council. (2007). Chapter 8 in Committee on science learning, kindergarten through eighth grade. In R.A.Duschl, H.A.Schweingruber, A.W.Shouse (Eds.), Taking science to school: Learning and teaching science in grades K-8 (pp. 213250). Center for Education, Division of Behavioral and Social Sciences and Education. Washington, DC: The National Academies Press.