Quiz
1. The Grand Canyon is 277 miles long and how many miles deep?
2. Grand Canyon was formed by what process?
3. In what state in the Grand Canyon located?
4. What body of water eroded rock over millions of years to form a great gorge, the Grand Canyon?
5. Who was the first European explorer to see the Grand Canyon?
6. In 1919, the U.S. government designated the Grand Canyon as what kind of public space?
7. What water sport has become popular to explore the Grand Canyon along the Colorado River?
8. Explorer John Wesley Powell became the first person to lead a party through the Grand Canyon bottom in a boat. What country was he from?
9. What technique do geologists use to date the Grand Canyon?
10. How many people visit the Grand Canyon each year?
1. The Grand Canyon is 277 miles long and how many miles deep?
one
2. Grand Canyon was formed by what process?
erosion
3. In what state in the Grand Canyon located?
Arizona
4. What body of water eroded rock over millions of years to form a great gorge, the Grand Canyon?
Colorado River
5. Who was the first European explorer to see the Grand Canyon?
García López
6. In 1919, the U.S. government designated the Grand Canyon as what kind of public space?
National Park
7. What water sport has become popular to explore the Grand Canyon along the Colorado River?
white-water rafting
8. Explorer John Wesley Powell became the first person to lead a party through the Grand Canyon bottom in a boat. What country was he from?
United States
9. What technique do geologists use to date the Grand Canyon?
uranium-lead dating
10. How many people visit the Grand Canyon each year?
five million