Details a project in which students assess the health of two seemingly different streams by conducting chemical and biological tests. Focuses on student and teacher use of a watershed educational project in Tennessee. (DDR)

Describes an interdisciplinary unit involving math, English, science, and geography. Discusses support and development of the project, objectives for teachers and students, pitfalls and successes, equipment and supplies, and benefits. (MKR)

Complete with student worksheets, field trip ideas, illustrations, vocabulary lists, suggested materials, and step-by-step procedures, the document presents a compilation of ideas for teaching elementary school (K-6) students about marine and fresh water. In the first unit students build miniature monuments and observe the deterioration of…