1. River
Eric Angat
Teacher

2. What are the major river systems in the United States?
Mississippi River
Missouri River
Arkansas River
Ohio River

3. 2. Where is the river mouth of the major rivers?
Missouri River
Mississippi River
Arkansas River
Ohio River
A river mouth or stream mouth is a part of a river where it flows into the sea, lake, reservoir or ocean.
At the mouth of a river a delta is formed resulting from sediment deposition.
Gulf of Mexico

4. http://www. worldatlas. com/webimage/countrys/namerica/usstates/usland

6. Mt. Mitchell - 6,684 feet (2,037 m) above sea level
3. What is the highest point in North
Carolina?
Highest Point
Mt. Mitchell - 6,684 feet (2,037 m) above sea level

8. 4. What is the river that passes through
Winston Salem?
Yadkin–Pee Dee River Basin is the second largest river basin in North Carolina.
Cape Fear River basin is the largest river basin in NC

10. 5. A chemical plant in NC leaked great amounts of toxic chemicals in the Yadkin River. What other river would also be poisoned by the toxic chemicals?
Roanoke river
Pee-Dee River
Toxic chemical spill

11. 6. What are Meanders and Oxbow Lakes?

12. A meander is a bend in a river.
6. What are Meanders and Oxbow Lakes?
An oxbow lake is a U-shaped body of water that forms when a meander is cut-off from the river.
A meander is a bend in a river.

13. 7. Where can you find Freshwater
7. Where can you find Freshwater? ( lakes, rivers, streams, pond, groundwater, polar ice caps)

14. 7. Where can you find Freshwater
7. Where can you find Freshwater? ( lakes, rivers, streams, pond, groundwater, polar ice caps)
0.5%
2.5%
aquifers
rainfall
97%
lakes
reservoir
rivers

15. 8. What is a watershed?
A watershed is an area of land where all precipitation that falls on it drains to a river 

16. The land that separates each watershed is called a divide.
9. What is a watershed divide?
The land that separates each watershed is called a divide.
Divide

17. Watershed Divides

18. Watershed receives water from precipitation.
Watershed to river
Divide
Land between watersheds.
River flow downstream.
Percolation or infiltration

19. 10. A watershed is: Water around a given land area
A stream that flows into a lake
A series of streams that connect
The total land area that drains into a stream or river system

20. 11. What separates
watershed?
A. divide
B. aquifer
C. mountain
D. river basin

21. An estuary is the channel of a river where it nears the sea, with a mixing of fresh water and salt water happen. There are a lot species that consider the estuary as their habitat.
freshwater
Brackish water
Ocean tides causes salt water to rise and mix with freshwater.

22. 12. Why are estuaries important to the environment?
Estuaries provide us with ample freshwater.
Estuaries are nurseries and habitat for many species.

23. 13. What is the difference between a lake and a reservoir?
a lake is man made while a
reservoir(dam) was formed by glaciation.
B. A reservoir(dam) is man made
while a lake was formed by
glaciation.

24. 14. How are watersheds and rivers polluted?
Watersheds and rivers are polluted by non-point source pollution.