Describes the main features, rationale, and goals of the Science, Math, and Social Studies Help (SMASSH) project which provides unified, mutually supportive educational experiences for elementary school children. Describes the learning cycle instructional approach, presents a brief background of the science concepts addressed in these lessons, and…

Integrates science and social studies in several activities that study weathering caused by the freezing and thawing of rocks, wind erosion, and the effects of weathering on tombstones. Cites the possibility of these activities leading to an interdisciplinary exploration of pollution, customs, and populations. (MCO)

Provides a lesson plan with student worksheet for teaching the concept of geologic time to middle school students. The lesson is cited as representative of an Earth systems approach to science curriculum with emphasis on the age of the earth and the fact that its subsystems are constantly evolving. (MCO)