This ocean lies along the coast of the Western region of the United States.
What is the Pacific Ocean?
100
This country borders the Southwest region to the south.
What is Mexico?
100
Prairie grasses cover much of this area and the soil is extremely fertile.
What is the Central Plains?
100
Because it's located along the coast of the Atlantic Ocean, the Southeast is often struck by these natural disasters.
What are hurricanes?
100
These mountains are shared between the North and Southeast Regions of the United States.
What are the Appalachian Mountains?
200
These famous mountains run through Montana, Idaho, Wyoming, Utah, Colorado, and New Mexico.
What is the Rocky Mountains?
200
This dam borders the states of Arizona and Nevada, and at the time it was built, it was the largest dam ever built. It was built to control flooding on the Colorado river.
What is the Hoover Dam?
200
This area is west of the Central Plains and the land is higher, drier, rockier and less fertile.
What is Great Plains?
200
These mountains run through both the Southeast and the Northeast region of the United States.
What are the Appalachian Mountains?
200
This is the longest hiking trail in the world.
What is the Appalachian Trail?
300
This river forms the boundaries between the states of Oregon and Washington.