In this volume, young readers will expand their comprehension of the important concept of the equator as Earth's belt. With an understanding of the equator comes a grasping of the rotation of the Earth, climate, weather, and many other age-appropriate science concepts. Clean, accessible art on every spread-including diagrams, maps, and full-color photographs-help readers grasp these curriculum topics. That important main line of latitude we call the equator is made familiar through clean text and graphics in a way that every elementary reader is sure to understand!