"Discover the wonders of our earth with the Physical Geography
DVD Series. This DVD examines the characteristics of common
rocks and minerals and teaches identification procedures.
Students will learn about the physical properties of minerals
including hardness, luster, and color, as well as the chemical
compositions of important rock-forming minerals. Subjects
covered include:how minerals and rocks effect the shape of the
earth's surface; physical characteristics of minerals; how
minerals are classified and how they are formed; exploring for
minerals; the use and conservation of minerals in our society;
and the main classification of rocks including sedimentary,
metamorphic and igneous rocks." Grades 9-12. 25 minutes on DVD.