Each Eyewitness Visual Dictionary provides access to a 3000-word specialist vocabulary, actually showing what a word means by using photographs & illustrations. The Visual Dictionary of the Earth contains models & artworks showing the building blocks of this planet & pictorially describing the earth's fascinating solar system. Contents include: earth movements; atmosphere & climate; rocks & minerals; volcanoes; nutrient cycles; oceans & seas; glaciers; mountains; forests; deserts; human influences; geological clock.