Environmental Science primer for High School aged children. Covers the subjects, in order, of Weather, Astronomy, Water, Community Sanitation, Farming, and Conservation. Provides experiments and research questions related to subjects.
An excellent read, it is fascinating to compare what was taught in schools 60+ years ago with what we now know about modern science. Although some factors hold true still others, like the fact that Mars is covered in vegetation, seem wild considering what we know today.