This study was designed to analyze the process of curriculum development adopted by developers in language arts, biology, and geography, in a centralized educational system. Specific objectives were to identify naturalistic models of curriculum development used in curriculum projects in Israel; point out relationships between contextual factors…

In this set of two booklets for primary grades, students learn how to make a home for their animals (amphibians, insects, fish, crayfish) and a home for their rodents (hamsters, guinea pigs, gerbils, mice). The major emphasis in all Unified Sciences and Mathematics for Elementary Schools (USMES) units is on open-ended, long-range investigations of…