Students will gain an understanding of the composition of the earth's crust. Through these activities they will describe the changes that result from internal and external processes, investigate the formation of the physical features, and identify the factors that must be considered in making informed decisions about land use and explain their importance. Skill lists, teacher suggestions, resource lists, evaluation sheets are included, plus activities in science, language arts, social studies and art. Includes student and teacher assessment rubrics. 96 pages.