Download Add to Favorites Add to Folder creative writing children's book activities classroom tools language arts and writing vocabulary Create new folderCREATE NEW FOLDER Share Read the passage in this Earth science printable to learn about river systems. Then, have students use the diagram to answer questions about the characteristics and parts of a river system. Grade: 6 | 7 | 8 | 9 Subjects: Science Earth Science + show tags TYPE: Worksheets Activities