E-books and discounts on volume purchases available. Building Foundations of Scientific Understanding: A science curriculum for K-8 and older beginning science learners, 2nd ed. Vol. I, Grades K-2 Buy Book: Elementary Science Education: Building Foundations of Scientific Understanding, Vol. II, grades 3-5 Buy Book: Middle School Science Education: Building Foundations of Scientific Understanding, Volume III for grades 6-8 Buy Book: