The United States is the third largest country by population with over 318 million people, spread across 9.62 million square kilometers. It contains several mountain ranges, including the Rocky Mountains which are the longest in North America, stretching over 4,800 km. The Cascade Range sees volcanic activity as it is part of the Ring of Fire around the Pacific Ocean. Notably, Mount St. Helens erupted in May 1980, part of this volcanic range.

1. The American Landscape

2. Size and Population
• The size of the U.S.A. is 9.62 million square
kilometers.
• With around 318 million people, it’s the world’s
3rd largest country by population.

3. The country of Spain
would fit inside the
U.S. state of Texas.

4. Relief

5. U.S. Mountains
• The Rocky Mountains form the longest mountain
range in North America and the second-longest
range in the world. They stretch 4800 km.
• Appalachian Mountains – East Coast, older,
shorter
• Sierra Nevada – California, tallest mountain in
the lower 48
• The Cascade Range is considered part of the
Ring of Fire which is volcanoes that circle the
Pacific Ocean.

7. Mt. Rainier is the tallest volcano in the
Cascade Mountain Range.

8. Another Cascade volcano erupted in May 1980,
when my sister was three months old.
Mt. St. Helens BEFORE

9. Mt. Saint Helens
Before After

11. Kite surfing
in the
Columbia

12. What did you learn?
• True or False: Spain is about the size of
one state in the U.S.A.
• What is the longest mountain range in
North America?
• What happened in May of 1980 in the
Cascade Range?