Chapter 1 Flashcards
Scientists refer to the breaking apart of the new super continent as ?
Continental drift
Name for the super continent
Pangaea
What runs for 150 miles through Illinois, Kentucky, Tennessee, Missouri and into Arkansas?
The New Madrid Fault Line
Scientists who study earthquakes are referred to as ?
Seismologists
How does a lock work?
When the boat enters the lock, it raises or lowers the water to the level of the river on the other side
What is a Quapaw Indian term that means “down stream people”?
Arkansas
Describe how a levee works
It only protects structures outside the levee. But on the inside the floodwaters continue to fill up. It acts like a giant bathtub
What does the Alogonquin Indian term “Mississippi” mean?
Large river
Mostly flat areas where excess water from the river spills over onto the Valley floors
Floodplains
The bayou Bartholomew is the longest bayou in the world and archaeologists believe it was once a channel of what?
The Arkansas River
What are the three largest towns or cities in the Ozark Mountain region?
Rogers, Springdale, Fayetteville
What area in Southwest Arkansas has a totally unique ecosystem to any other in Arkansas? It is believed by geologists to be a shoreline of an ancient ocean.
The Blackland Prairie
In 2000, what report states that 2.6 million people lived in AR?
US Census report
What gives us strong, lightweight metal known as aluminum?
Bauxite
What is used by scientists to measure the strength of a tornado?
Fujita scale