Explains how water flows from brooks, to streams, to rivers, over waterfalls, through canyons and dams, to eventually reach the ocean. Interest Level: K-3 Reading Level: 3.7 ATOS Book Level: 3.6 AR Interest Level: LG AR Points: .5 AR Quiz: 13814EN Reading Counts Level: 3.7 Reading Counts Points: 2 Lexile Measure: 600 Iowa Core ELA.