Western United States Geography Quiz
Mountains, deserts, population (10 questions).
Western United States Geography Quiz: Quick Study Notes
The Western United States is a region of extreme contrasts, defined by rugged mountain chains, vast arid deserts, and dynamic population centers. From the tech hubs of the Pacific Coast to the sparsely populated interior basins, the geography of the West plays a crucial role in the nation’s climate, economy, and culture.
Key Takeaways
- The Continental Divide runs along the crest of the Rocky Mountains.
- The Cascade Range is part of the Pacific Ring of Fire and contains active volcanoes.
- The Colorado River is the primary water source for much of the Southwest.
- Death Valley in California is the lowest and hottest point in North America.
- The Intermountain West includes some of the fastest-growing regions by population percentage.
Frequently Asked Questions
What states are considered part of the Western US?
The US Census Bureau defines the West as 13 states: Alaska, Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming.
Which is the largest desert in the West?
The Great Basin Desert is the largest, covering approximately 190,000 square miles, primarily in Nevada and Utah.
What is the most populous city in the Western US?
Los Angeles, California, is the most populous city in the West, followed by Phoenix, Arizona.
Where are the Rocky Mountains located?
The Rockies stretch more than 3,000 miles from British Columbia in Canada down to New Mexico in the Southwestern United States.
Is the Western US mostly dry?
Much of the West is semi-arid or arid (deserts and steppes), though the Pacific Northwest coast and high mountain ranges receive significant precipitation.
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