Word Search Puzzle Stages of a river word searchOnline version To review the different parts of a river course. by Elvira Garcia Arnal 1 MIDDLE 2 UPPER 3 LOWER 4 MOUTH 5 SOURCE 6 COURSE M M Y A Y U E I C O H B C L D E O U R E O D U I U T A W L D O G R H E E S K I A S R T U P P E R E