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

2. To Next Slide Water beneath the Earths surface. groundwater

3. To Next Slide A place where a river begins. source

4. To Next Slide channel The deepest part of the river.

5. To Next Slide The place where a river empties. mouth

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

7. To Next Slide A river and its tributaries. River system

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

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

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

11. To Next Slide High wall made of earth levee

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

13. To Next Slide the height of the land elevation

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

15. To Next Slide Differences in elevation. relief

16. To Next Slide toward the rivers mouth downstream

17. To Next Slide Toward the rivers source! upstream

18. To Next Slide Thats All! Keep Sharp Minds!