Row, Row, Row Your Boat, Gently Down The... What Are Rivers and Streams? This question exploration explains waterways of rivers, streams, rapids and meanders, and gives Ss information on the ages and stages of a river on a topographic map (youthful, mature, and old).Question Exploration Routines are instructional methods that teachers can use to help a diverse student population understand a body of content information by carefully answering a critical question to arrive at a main idea answer. S