References
- Belcher, N. 2018. https://ntbelcher.medium.com/a-brief-history-of-u-s-science-education-leading-to-modeling-instruction-3a9bdbd801f2
- Harvard University. 1889. … Descriptive list of elementary physical experiments. Intended for use in preparing students for Harvard college. Cambridge: The University. https://searchworks.stanford.edu/view/2510200
- National Research Council (NRC). 2012. A framework for K–12 science education: Practices, crosscutting concepts, and core ideas. Washington, DC: National Academies Press.