Describes the Earthmobile Project, a tractor trailer educational exhibit that contains a working model of a Native American archaeology site. Explains how the Project appeals to both student and teachers. Outlines how teachers can develop instructional activities that would replicate the Earthmobile experience. (CFR)

Reports on research studies concerning cognitive learning in the environment as it relates to elementary schools. Indicates that field instruction is useful in promoting and achieving cognitive gain when effectively planned, managed, and coordinated with other modes of instruction. (RT)