The three-chart set covers key concepts related to the study of Earth's Surface. Each 18” x 12” chart is double-sided and laminated. One side provides an illustrated overview of the topic, while the reverse features “write-on/wipe-off” graphic organizers, problem-based questions and other review activities. The Earth's Surface Bulletin Board Chart Set includes the following 3 charts: Landforms, Rocks & Soil; Weathering of Rocks & Soil Formation; and Volcanoes.