1. Biological Sciences Curriculum Study (BSCS). (2006). The BSCS 5E instructional model: Origins and effectiveness. Colorado Springs, CO: BSCS.
2. Birbili, M. (2007). Making the case for a conceptually based curriculum in early childhood education. Early Childhood Education Journal, 35(2), 141–147.
3. Brewer, W. F., Chinn, C. A., & Samarapungavan, A. (2000). Explanation in scientists and children. In F.-C. Keil & R.-A. Wilson (Eds.), Explanation and cognition (pp. 279–323). Cambridge, MA: MIT Press.
4. Bryce, T. G. K., & Blown, E. J. (2013). Children’s concepts of the shape and size of the Earth, Sun and Moon. International Journal of Science Education, 35(3), 388–446.
5. Chaillé, C., & Britain, L. (2003). The young child as scientist: A constructivist approach to early childhood science education (3rd ed.). Boston, MA: Allyn and Bacon.