The most important physical feature in this region is the Central Plains. The eastern part of the Central Plains is known as the Interior Lowlands. The western part of the Central Plains is called the Great Plains. Prairies cover much of the land in the Great Plains.

1.    What is the definition of a Plain?
 
 

2.    What is the land usually used for?
 
 

3.    Illinois, Indiana, Iowa, Michigan, Missouri, Ohio and Wisconsin are all states in
       the Interior Lowlands. Is land in the Interior Lowlands flat or hilly?
 
 

4.    What makes up the heart and soul of the Great Plains?
 
 

5.    What is a prairie?
 
 

6.    What states have prairies?
 
 

7.    What type of prairie grass is in the eastern part of the Great Plains?
 
 

8.    What type of prairie grass is in the middle section of the Great Plains?
 
 

9.    What type of prairie grass is in the western section of the Great Plains?
 
 

10.  Is the land in the Great Plains greatly populated?
 
 

11.  Who were the first people to live in the Great Plains?
 
 

The Great Lakes are very important to the North Central Region. They are part of an important transportation system.

12.    What 5 Lakes make up the Great Lakes?
 
 

The Ohio River is an important river in the Interior Lowlands. It is used to transport goods.

13.    What states does the Ohio River flow through or border?
 

14.    Where does it start and end?
 
 

15.    What river does it flow into?
 
 

16.    In 1917, how many tons of cargo were carried on the Ohio River?
 
 

17.    How many tons of cargo are carried on the Ohio River now?
 
 

18.    Why has it increased?