It takes experienced teachers to make that information usable by the students. Why is a wonderful question. This report presents the organization of a K-6 curriculum that was written by active elementary teachers to accomplish the new US National Science Standards. TRUE science education teaches students how to learn.
Teachers concentrate on teaching, publishers on profits, and bureaucracies on positions.
Upon careful study, it is vary clear that any fifth grade teachers students can easily defeat Leigh Hoven-Severson's students. All they need to do is teach science process, thematic science, and integrated curriculum.