Geography of the United States Quiz

Grade 8 · Social Studies · Quiz

Test your knowledge of US physical geography, major landforms, rivers, and regions.

Questions

Which mountain range forms the Continental Divide in the western United States?
1. Appalachian Mountains
2. Sierra Nevada
3. Rocky Mountains
4. Cascade Range
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Answer: Rocky Mountains
The Continental Divide runs along the spine of the Rocky Mountains. Rain or snow that falls on the east side flows eventually to the Atlantic/Gulf; the west side flows to the Pacific.
The Mississippi River flows from north to south, emptying into the Gulf of Mexico.
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Answer: True
The Mississippi begins at Lake Itasca, Minnesota and flows approximately 2,340 miles south to the Gulf of Mexico near New Orleans, Louisiana.
The lowest point in North America is ___ Valley, California, at 282 feet below sea level.
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Answer: Death
Death Valley is 282 feet below sea level and also holds the world record highest reliably recorded air temperature: 134°F (56.7°C) on July 10, 1913.
Which region of the US is known for fertile farmland and is often called America's breadbasket?
1. The Great Basin
2. The Appalachian Plateau
3. The Great Plains
4. The Pacific Coast Range
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Answer: The Great Plains
The Great Plains stretch from Texas to Canada across states like Kansas, Nebraska, and the Dakotas. The thick, rich topsoil from ancient grasslands makes it among the most productive farmland on Earth.
The Great Basin is a humid, heavily forested region in the Pacific Northwest.
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Answer: False
The Great Basin is actually a high desert, primarily in Nevada and Utah. It's called a 'basin' because rivers there don't drain to the ocean — they drain into inland lakes or simply evaporate.
The Appalachian Mountains run from approximately:
1. Texas to Minnesota
2. Alabama to Maine
3. Florida to New York
4. Georgia to Michigan
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Answer: Alabama to Maine
The Appalachians stretch about 1,500 miles from northern Alabama to northern Maine. The highest peak is Mount Mitchell in North Carolina at 6,684 feet.
The ___ River is the longest river in the United States at approximately 2,341 miles.
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Answer: Missouri
The Missouri River is actually slightly longer than the Mississippi at about 2,341 miles. It runs from the Rocky Mountains in Montana eastward, joining the Mississippi near St. Louis.
Before the railroad era, the Mississippi River was important primarily because it:
1. Provided hydroelectric power for industry
2. Served as the natural border with Canada
3. Was the major transportation and trade route for the US interior
4. Was the primary source of drinking water for Eastern cities
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Answer: Was the major transportation and trade route for the US interior
The Mississippi and its tributaries (Ohio, Missouri, Tennessee rivers) formed a network connecting the interior of the continent. New Orleans was the gateway where goods were shipped out to world markets.
Alaska and Hawaii are geographically connected to the continental United States.
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Answer: False
Alaska is separated from the continental US by Canada, and Hawaii is a Pacific island chain about 2,400 miles from California. Both became US states in 1959.
Which US geographic feature marks the boundary between rivers draining to the Pacific and rivers draining to the Atlantic/Gulf of Mexico?
1. The Mississippi River
2. The Appalachian Mountains
3. The Continental Divide
4. The Sierra Nevada
Show answer
Answer: The Continental Divide
The Continental Divide, also called the Great Divide, runs along the crest of the Rocky Mountains. It's one of the most important geographic boundaries in North America.

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