This is the tallest peak in North America at 20,310 feet.
What is Denali?
The Great Plains area known for frequent tornadoes is called this.
What is Tornado Alley?
Flowing 2,320 miles to the Gulf of Mexico, this is one of the busiest U.S. rivers.
What is the Mississippi River?
These were the first inhabitants of North America.
Who were nomads?
A metropolitan area must have at least this many people.
What is 50,000?
This mountain chain stretches 3,000 miles from New Mexico to Alaska.
What are the Rocky Mountains?
The Southern states fall under this climate zone with hot, muggy summers.
What is Humid Subtropical?
This is the longest river in the Western Hemisphere.
What is the Amazon River?
Spain conquered the Aztec Empire during this event.
What is the Spanish Conquest?
The U.S. population is over this milestone number.
What is 300 million?
This river carved the Grand Canyon.
What is the Colorado River?
This region includes New England and the Mid-Atlantic states.
What is the Northeast?
This river carries 10 times the traffic of the Mississippi.
What is the Amazon River?
Mexico gained independence from Spain in this year.
What is 1821?
Goods bought from another country are called this.
What is an import?
This is the high ridge of the Rocky Mountains that divides river flow across the continent.
What is the Continental Divide?
Known as the “Heartland” and “Breadbasket,” this region lies in the north-central U.S.
What is the Midwest?
This river is famous for forming a major border between the U.S. and Mexico.
What is the Rio Grande?
Central American countries became independent in this decade.
What are the 1820s?
Goods sold to another country are called this.
What is an export?
North America is bordered by these three oceans.
What are the Atlantic, Arctic, and Pacific Oceans?
This region stretches from the Great Plains to the Pacific and includes Alaska and Hawaii.
What is the West?
This U.S. river is the longest tributary of the Mississippi.
What is the Missouri River?
Hernando Cortés conquered this Aztec capital city in 1521.
What is Tenochtitlan?
This is NOT considered a factor in the success of the U.S. economy.
What is “100% of school-aged children are in school”?