This year-long science program involved fifth grade students in the investigation of a meadow pond. Two field trips to collect pond water and organisms were arranged for the beginning and conclusion of the program. Classroom activities were designed to study aquatic organisms, life cycles, populations, and ecosystems. (MA)

Describes chemistry courses offered as part of a residential summer enrichment program held at the University of Northern Colorado. A list of elementary and advanced chemistry activities completed during the courses is included. (JN)

Descriptions of eight exemplary precollege earth science programs are presented. The programs were locally developed, nontext based, and having an extensive laboratory component. The programs emphasize societal issues involving aspects of earth sciences. (CW)

This paper describes the background and development, provides an overview, and discusses the evaluation of the Carroll County, Maryland, elementary school science program emphasizing a hands-on approach to science. It uses locally developed materials designed at each grade level and focuses on process skills instead of concepts. The program…