... determined scientifically. In order to expand, children, left at liberty to exercise their activities, ought to find in their surroundings something organized in direct relation to the children's ... A. Biological, accompanies by specimens B. Scientific, accompanied by experiments C. Pedagogical, in which ideology prevails D. Natural, in which self-expression prevails 38. According ... educating children is guided by perhaps a half-dozen major principles of education. The first affirms the biological programming of child development, the child's capacity for self- realization,...