To Next Slide Unit 1 Chapter 1 Lesson 2 Rivers Change the Land 20 Questions!

To Next Slide Water beneath the Earths surface. groundwater

To Next Slide A place where a river begins. source

To Next Slide channel The deepest part of the river.

To Next Slide The place where a river empties. mouth

To Next Slide A stream that flows into a larger stream or river. tributary

To Next Slide A river and its tributaries. River system

To Next Slide Land drained by a river system. Drainage basin

To Next Slide The wearing away of the Earths surface. erosion

To Next Slide The triangle-shaped land at a rivers mouth. delta

To Next Slide High wall made of earth levee

To Next Slide A wall built across a river to hold back water. dam.

To Next Slide the height of the land elevation

To Next Slide Land that is level with the surface of the ocean. Sea level

To Next Slide Differences in elevation. relief

To Next Slide toward the rivers mouth downstream

To Next Slide Toward the rivers source! upstream

To Next Slide Thats All! Keep Sharp Minds!