1. Chapter 4: The US and Canada
Page 116 to 122

2. Picture This…
Standing at the edge of the Grand Canyon, you can see for miles. Its sheer size miles long with walls rising up to 6000 feet --- is almost mind boggling. In fact, the Grand Canyon was formed by the Colorado River over a period of 6 million years!

3. Eastern Lowlands and Highlands
Broad Lowland Along Atlantic
Appalachian Mountains
Megalopolis

4. Central Lowlands Also called the Great Plains
Grassy Hills and Fertile Farmland
Important Waterways

5. Critical Think Question
Why do you think large cities like Chicago, Detroit, and Toronto developed in the Central Lowlands?

6. Western Mountains Cordillera --- A group of mountain ranges
Created by collisions of
Tectonic Plates
Rocky Mountains and Pacific Mountain Chains

7. The Great Lakes The worlds largest group of fresh water lakes
Water flows into St. Lawrence River
Then into the Atlantic Ocean
St. Lawrence Seaway

8. The St. Lawrence Seaway System of locks and canals
Permits ocean-going vessels to enter the Great Lakes