10. Divide An imaginary line that separates the drainage of two streams often found along ridges.
11. Key Concepts How do streams erode their channels? What causes floods? What is the relationship between stream and a drainage basin? How do streams transport sediments?
12. How Does streams erode their channels? Streams generally erode their channels lifting loose particles by abrasion grinding, and dissolving soluble material.
13. What causes floods? Most floods are caused by rapid spring snow melt or storms that bring heavy rains over a large region.
14. What is the relationship between stream and a drainage basin? Every stream has a drainage basin, A drainage basin is the land area that contributes water to a stream.
15. How do streams transport sediments? Streams transport sediment in three ways In solution In suspension Scooting or rolling along the bottom