1. Development of River Systems Earth Science Grade 8

2. River Development HEAD OF THE RIVER HIGHLANDS

3. River Development HEAD OF THE RIVER MOUTH OF THE RIVER HIGHLANDS LOWLANDS

4. River Development HEAD OF THE RIVER MOUTH OF THE RIVER HIGHLANDS LOWLANDS STREAM

5. River Development HEAD OF THE RIVER MOUTH OF THE RIVER HIGHLANDS LOWLANDS STREAM TRIBUTARY SYSTEM

6. River Development HEAD OF THE RIVER MOUTH OF THE RIVER HIGHLANDS LOWLANDS STREAM TRIBUTARY SYSTEM MEANDER

7. River Development HEAD OF THE RIVER MOUTH OF THE RIVER HIGHLANDS LOWLANDS STREAM TRIBUTARY SYSTEM MEANDER YOUNG STAGE MATURE STAGE OLD STAGE

8. River Development HEAD OF THE RIVER MOUTH OF THE RIVER HIGHLANDS LOWLANDS STREAM TRIBUTARY SYSTEM MEANDER YOUNG STAGE MATURE STAGE OLD STAGE WATERSHED

9. Watershed and Divides

10. Watersheds of PA

11. Mississippi Watershed

12. STAGES OF DEVELOPMENT YOUNG STAGE YOUNG STAGE Steep banks Steep banks

13. STAGES OF DEVELOPMENT MATURE STAGE MATURE STAGE Not as steep banks Not as steep banks

14. STAGES OF DEVELOPMENT OLD STAGE OLD STAGE Gently sloping banks Gently sloping banks

15. STAGES OF DEVELOPMENT YOUNG STAGE YOUNG STAGE Steep banks Steep banks No floodplain No floodplain

16. STAGES OF DEVELOPMENT MATURE STAGE MATURE STAGE Not as steep banks Not as steep banks Small floodplain Small floodplain

17. STAGES OF DEVELOPMENT OLD STAGE OLD STAGE Gently sloping banks Gently sloping banks Large floodplain Large floodplain

18. STAGES OF DEVELOPMENT YOUNG STAGE YOUNG STAGE Steep banks Steep banks No floodplain No floodplain Straight path Straight path

19. STAGES OF DEVELOPMENT MATURE STAGE MATURE STAGE Not as steep banks Not as steep banks Small floodplain Small floodplain Slight meanders Slight meanders

20. STAGES OF DEVELOPMENT OLD STAGE OLD STAGE Gently sloping banks Gently sloping banks Large floodplain Large floodplain Large meanders Large meanders

21. STAGES OF DEVELOPMENT YOUNG STAGE YOUNG STAGE Steep banks Steep banks No floodplain No floodplain Straight path Straight path Fastest flow Fastest flow

22. STAGES OF DEVELOPMENT MATURE STAGE MATURE STAGE Not as steep banks Not as steep banks Small floodplain Small floodplain Slight meanders Slight meanders Moderate flow Moderate flow

23. STAGES OF DEVELOPMENT OLD STAGE OLD STAGE Gently sloping banks Gently sloping banks Large floodplain Large floodplain Large meanders Large meanders Slowest flow Slowest flow

24. STAGES OF DEVELOPMENT YOUNG STAGE YOUNG STAGE Steep banks Steep banks No floodplain No floodplain Straight path Straight path Fastest flow Fastest flow Heavy erosion Heavy erosion

25. STAGES OF DEVELOPMENT MATURE STAGE MATURE STAGE Not as steep banks Not as steep banks Small floodplain Small floodplain Slight meanders Slight meanders Moderate flow Moderate flow Moderate erosion Moderate erosion

26. STAGES OF DEVELOPMENT OLD STAGE OLD STAGE Gently sloping banks Gently sloping banks Large floodplain Large floodplain Large meanders Large meanders Slowest flow Slowest flow Little or no erosion Little or no erosion