Earth science teaching device

摘要: A teaching device comprising a three-dimensional model of land mass incorporating various geological and topographical formations. The comprises an assembly two or more sections taken along parallel vertical planes whereby when the are disassembled they disclose selected illustrative subterranean formations, such as rock strata, oil pools, mineral veins, like. When assembled, outer surface shows Each section is made up matching layers, thickness each layer representing increment in altitude. Thus, layers assembled to form model, edges faces contacting altitude elevations designated by contour lines. may also be utilized illustrate correlation between lines profile map on plane crossed said individual used templates draw terrain at any desired elevation.