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US Geography Quiz: 15 Questions on Rivers, Mountains and Borders
This quiz is about the physical map of the United States: its rivers, mountain ranges, lakes, deserts and borders. There are 15 questions, each with a short explanation.
For questions about individual states and their capitals, play the US States Quiz and the State Capitals Quiz.
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Pick A, B or C for each question. The right answer turns green and a short fact explains it.
All 15 questions and answers
Every question with its answer and explanation. Open “Show answer” after you guess.
1 What is the longest river in the United States?
- A Colorado
- B Missouri
- C Mississippi
Show answer
✓ Answer: B. Missouri
Did you know? The Missouri is about 3,770 km long, slightly longer than the Mississippi.
2 Which of the five Great Lakes is entirely within the United States?
- A Lake Superior
- B Lake Erie
- C Lake Michigan
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✓ Answer: C. Lake Michigan
Did you know? The other four are shared with Canada.
3 What is the highest mountain in the contiguous United States?
- A Pikes Peak
- B Mount Whitney
- C Mount Rainier
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✓ Answer: B. Mount Whitney
Did you know? Mount Whitney in California is 4,421 m (14,505 ft) high.
4 Which mountain range runs along the eastern United States?
- A The Appalachians
- B The Rockies
- C The Cascades
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✓ Answer: A. The Appalachians
Did you know? The Appalachian Trail follows the range for about 3,500 km, from Georgia to Maine.
5 How many U.S. states border Mexico?
- A Five
- B Four
- C Three
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✓ Answer: B. Four
Did you know? They are California, Arizona, New Mexico and Texas.
6 Which state has the longest coastline?
- A Alaska
- B Florida
- C California
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✓ Answer: A. Alaska
Did you know? Alaska's coastline is longer than those of all the other states combined.
7 Which city is at the point where the Allegheny and Monongahela rivers form the Ohio River?
- A Pittsburgh
- B Louisville
- C Cincinnati
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✓ Answer: A. Pittsburgh
Did you know? Pittsburgh has more than 440 bridges.
8 What is the name of the large salt lake in Utah?
- A Salton Sea
- B Great Salt Lake
- C Mono Lake
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✓ Answer: B. Great Salt Lake
Did you know? Great Salt Lake is saltier than the ocean. Mono Lake and the Salton Sea are in California.
9 Which desert covers much of southern Arizona?
- A Sonoran
- B Mojave
- C Chihuahuan
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✓ Answer: A. Sonoran
Did you know? The Sonoran Desert is home to the tall saguaro cactus.
10 Which state is made up entirely of islands?
- A Florida
- B Hawaii
- C Rhode Island
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✓ Answer: B. Hawaii
Did you know? Hawaii has eight main islands. Rhode Island is mostly on the mainland despite its name.
11 The Continental Divide runs along which mountain range in the U.S.?
- A The Rockies
- B The Appalachians
- C The Sierra Nevada
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✓ Answer: A. The Rockies
Did you know? Rain falling west of the Divide flows to the Pacific; east of it, to the Atlantic or the Gulf of Mexico.
12 Which river forms much of the border between Texas and Mexico?
- A Colorado River
- B Rio Grande
- C Red River
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✓ Answer: B. Rio Grande
Did you know? In Mexico it is called the Río Bravo del Norte.
13 What is the smallest U.S. state by area?
- A Connecticut
- B Rhode Island
- C Delaware
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✓ Answer: B. Rhode Island
Did you know? Rhode Island has only about 2,700 square kilometers of land.
14 Which four states meet at a single point called the Four Corners?
- A Wyoming, Colorado, Utah and Idaho
- B Nevada, Utah, Arizona and California
- C Utah, Colorado, New Mexico and Arizona
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✓ Answer: C. Utah, Colorado, New Mexico and Arizona
Did you know? It is the only place in the U.S. where four states meet.
15 Which river carved the Grand Canyon?
- A Green River
- B Snake River
- C Colorado River
Show answer
✓ Answer: C. Colorado River
Did you know? The canyon is up to about 1.8 km (6,000 ft) deep.
The big features to know
U.S. geography questions tend to return to a short list: the Mississippi–Missouri river system, the Rocky and Appalachian mountains, the five Great Lakes, and the extremes of Alaska and Hawaii. The U.S. Geological Survey publishes the official measurements behind many of these records.
US Geography Quiz FAQ
Is this quiz free?
Yes. It is free, needs no sign-up and works on phones and computers.
Can I play against the clock?
Yes. Tick 'Timed mode' before you start to get 15 seconds per question.
Is this the official Bing quiz?
No. BingQuiz.net is independent and not affiliated with Microsoft. This is our own quiz on U.S. geography. For the official daily quiz, see today's Bing Homepage Quiz answers.