These third-grade materials, from the Religion in Elementary Social Studies (RESS) project, explore the relationship of religion to ethnic traditions in our multiethnic and multireligious society. Included here are the teacher's guide, the printed student materials, and an evaluation report from RESS level 3. The materials stress active learning. Interest centers are used to introduce seven modules on ethnicity. Students are involved in a discovery approach to learning through the use of printed, visual, and auditory materials. The modules on ethnicity presented in the teacher's guide include the following: (1) A Metropolitan Area: The San Francisco-Oakland Bay Area; (2) Ethnicity in a Metropolitan Area; (3) A Spanish-Speaking American Tradition in an Inner-City Neighborhood; (4) A Chinese-American Tradition in an Inner-City Ethnic Neighborhood; (5) A Black-American Tradition in an Inner-City Ethnic Neighborhood; (6) A White, Protestant-American Tradition in a Suburban Neighborhood; and (7) A Jewish-American Tradition in a Suburban Neighborhood. For each module the guide provides the major concepts and organizing ideas, skills and behavioral objectives, lists of the classroom and student materials needed, specific teaching methods, evaluation techniques, and lists of additional print and nonprint resources. (Author/RM)