2. plateau a large area of land that is flat and is raised above the surface of land around it

3. Appalachian Plateau the Appalachian Plateau

4. piedmont an area of land formed (or lying at) the foot of a mountain or mountain range
the Piedmont in South Carolina with the Appalachian Mountains in the background

6. fall line boundary between an upland region and a coastal plain across which rivers from the upland region drop to the plain as falls or rapids
The Fall Line is the boundary between the hilly Piedmont and the flat Coastal Plain. It's called the Fall Line because the first falls or rapids in rivers that one encounters as one comes inland from the ocean are usally found at this boundary, as the streams drop off the Piedmont and onto the Coastal Plain.

7. From southern New York State to northern North Carolina: The white areas along the fall line are urban areas showing up on satellite.

8. Maryland Great Falls on the Potomac

9. Fall Line in Virginia

10. North Carolina

11. Georgia Fall Line

12. Cities sprang up east of the Fall Line, because ships needed a place to unload and switch their cargo to land-based carriers.

13. There was even a “Fall Line Road.”

14. natural boundary a boundary based on a natural feature of the land – for example, a river, a mountain range, a cliff, or a coast

15. Are any of Oklahoma’s borders natural boundaries?

17. artificial boundary a boundary decided without a natural feature of the land to guide the boundary
This usually is based on longitude or latitude.

18. Kansas-Oklahoma border

19. What natural boundaries does California have? What artificial ones?

20. What about Louisiana’s boundaries?

21. And New Jersey’s boundaries?

22. And what about Idaho?

23. Using the physical map of the east coast, draw in what you think would be logical boundaries for the states listed.

24. work time . . .

25. How similar were your boundary decisions with the actual boundaries?