With an unparalleled array of science topics to choose from, Discovery Channel School Science puts the fascination of the natural world at students' fingertips. Fun, fast-paces, high-interest text and vibrant photography in a varied format bring to life the wonders of nature as young scientists learn about the important historical figures, ideas, and discoveries that help researchers understand the past and keep science moving toward the future. Activities abound and insights await in Discovery Channel School Science We use all kinds of maps--road maps, subway maps, and trail maps, just to name a few. Maps measure everything from weather patterns and global temperatures to mountain elevations and changes in river courses. Discover the world of maps.