1. The Natural Regions of Pennsylvania

2. Huge Large Enormous Please Do Now!
On your outline, give three examples of things that are big.
Share your examples
with a partner.
Huge
Large
Enormous

3. Chapter 2 Lesson 4 Allegheny Plateau Region
Pgs

4. Allegheny Plateau Region
The Allegheny Plateau has the largest area of any natural region in the state.

5. Allegheny Plateau Region
This region got its name from the Allegheny Mountains along its eastern edge.

6. Allegheny Plateau Region
The Allegheny Plateau is made up of mountains, hills, and valleys.

7. What do you think?
If this region is made up of mountains, hills and valleys, why do you think it’s called a plateau?
Share your idea with your partner.

8. Allegheny Plateau Region
Glaciers are huge sheets of ice. Many years ago they cut long, deep valleys into the plateau.

9. Allegheny Plateau Region
Even though this region is covered with mountains, hills, and valleys, it is still considered a plateau. A long time ago, before glaciers cut the valleys into this region, it was a plateau. Today all the mountaintops are still about the same height.

10. Allegheny Plateau Region
The waterfalls at Ricketts Glen State Park were formed when glaciers carved out the land.

11. Allegheny Plateau Region
Mt. Davis, the highest point in Pennsylvania, is 3,213 feet above sea level.

12. Allegheny Plateau Region
Fallingwater, a famous house designed by Frank Lloyd Wright, is a famous landmark in the Allegheny Plateau.

13. Allegheny Plateau Region
Monongahela
Ohio
Pittsburgh is located where the Allegheny and Monongahela Rivers meet to form the Ohio River. These rivers provide transportation for people and goods.

14. Allegheny Plateau Region
Pittsburgh is a center of manufacturing and trade.

15. Allegheny Plateau Region
During the Civil War, Pittsburgh’s factories supplied the nation with steel and glass.

16. Allegheny Plateau Region
Pittsburgh is home to many sports teams like the Steelers, Pirates, and Penguins.

17. Allegheny Plateau Region
Pittsburgh also has an opera, orchestra, and ballet.

18. Exit Activity
In your own words, explain why Pittsburgh is located where it is and why it’s important. Write at least three lines explaining your thinking.