This activity guide, developed to provide environmental education through a series of hands-on activities geared to Medoc Mountain State Park in North Carolina, is targeted for grades 4, 5, and 6 and meets curriculum objectives of the standard course of study established by the North Carolina Department of Public Instruction. Three types of activities are included: pre-visit, on-site, and post-visit. The on-site activity is conducted at the park, while pre- and post-visit activities are designed for the classroom. Major concepts included are: composition of rock, chemical and mechanical forces on rocks and minerals, formation or ridges and mountains, properties of rocks and minerals, use of geology field equipment, and uses of rocks and minerals. Includes a vocabulary list, scheduling worksheet, parental permission form, North Carolina Parks and Recreation program evaluation, and information about Medoc Mountain State Park. (MKR)