Mississippi River System Quiz
Tributaries, basin states, major cities (10 questions).
Mississippi River System Quiz: Quick Study Notes
The Mississippi River System is the hydrological backbone of the United States, draining approximately 41% of the contiguous U.S. This quiz tests your knowledge of its massive watershed, key tributaries like the Missouri and Ohio, and the vibrant cities that line its banks.
Key Takeaways
- The river flows through or borders 10 U.S. states.
- The Missouri River is the longest tributary by distance.
- The Ohio River contributes the largest volume of water to the main stem.
- St. Louis is located at the confluence of the Mississippi and Missouri Rivers.
- New Orleans serves as the major port city near the river’s delta.
Frequently Asked Questions
Where does the Mississippi River start?
The headwaters of the Mississippi River are located at Lake Itasca in Minnesota.
Which river is the longest tributary of the Mississippi?
The Missouri River is the longest tributary, though the Ohio River provides more water volume.
How many states does the river touch?
The main stem of the river borders or passes through 10 states: Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.
Where does the river end?
It empties into the Gulf of Mexico about 100 miles downstream from New Orleans.
Which city is at the confluence of the Missouri and Mississippi?
St. Louis, Missouri, is located just south of where the Missouri River joins the Mississippi.
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