References
- NGSS Lead States. 2013. “Next Generation Science Standards: For States, by States. Appendix H: Nature of Science.” Washington, DC: National Academies Press. https://www.nextgenscience.org/resources/ngss-appendices
- Smith, W. H. 2013. Why Do Streams not Freeze in Winter? Wise, VA: Appalachian Biodiversity and Society Lab. January 8. https://tinyurl.com/2bm2rrnf.