The first eleven chapters of BSCS Blue Version pertain to the evolution of life on earth. In trying to adapt this section of the text to the eighth grade level, the idea for a Road of Life emerged.
Iowa Science Teachers' Journal
© Copyright 1970 by the Iowa Academy of Science
McCall, William P. and Reideler, Mary
"The Road of Life - A Teaching Aid,"
Iowa Science Teachers Journal: Vol. 8
, Article 9.
Available at: https://scholarworks.uni.edu/istj/vol8/iss2/9