This teaching guide is one of a series developed by the Curriculum Research and Development Group at the University of Hawaii. The program is laboratory and field oriented for elementary students. The focus of study for the project is the plant and animal life and the physical components of the Hawaiian environment, and their ecological interrelationships. The program stresses student on-site observations, experimentation, discussion, and learning by experience. It is designed to fit within the science curriculum but can correlate with other subject areas in school, as well as with local community interests. This particular guidebook on the reef and shore is prepared to give teachers ideas for activities and investigations which K-6 students can pursue to learn about the ecology of Hawaiian shallow water and shoreline areas. There are two major sections to the guide: (1) Information and Techniques for Teachers; and (2) Investigations for Students. Section one includes information on organizing field trips and setting up aquaria. Section two is concerned with marine plants and animals. There are numerous illustrations and charts for the teacher. This series also includes a teacher's program manual containing additional information. (Author/MA)