US Geography and Regions — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. The Southwest region gets very little rain each year, making it dry and desert-like.
The Southwest gets very little rain because it is covered by hot deserts where dry air prevents clouds from forming often.
2. The Southeast region grows oranges, cotton, and peanuts because of its warm climate.
The Southeast has a warm, humid climate that gives crops like oranges, cotton, and peanuts the long growing season they need.
3. Oil and natural gas are important resources found in Texas and Alaska.
Oil and natural gas are found deep underground in Texas and Alaska, and people pump them out to use for energy and heating.
4. The Rocky Mountains are the tallest mountain range in the western United States.
The Rocky Mountains stretch from Canada down through the western US, with peaks reaching over 14,000 feet high.
5. A desert is a dry area of land that gets very little rainfall.
A desert is a dry area that gets less than 10 inches of rain per year, like the deserts found across the Southwest region.
6. The Rio Grande River forms part of the border between Texas and Mexico.
The Rio Grande flows along the southern border of Texas, acting as a natural boundary between the United States and Mexico.
7. Timber from large forests is an important natural resource in the West region.
The West region has huge forests, especially in states like Oregon and Washington, where tall trees are cut into lumber for building.
8. Washington, Oregon, and California are three states on the Pacific coast.
California joins Washington and Oregon as the three states that line the Pacific coast from south to north in the West region.
9. The Northeast region has fishing, dairy farms, and many large cities like Boston.
The Northeast is home to fishing ports, dairy farms, and big cities like Boston because it has both a long coastline and rich farmland.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
Great Plains
→ Midwest
West
Everglades
→ Southeast
Southeast
Death Valley
→ West
Northeast
Niagara Falls
→ Northeast
Midwest
Correct matches: Great Plains → Midwest; Everglades → Southeast; Death Valley → West; Niagara Falls → Northeast.