Grand Canyon Quiz

2. Grand Canyon was formed by what process?

• blasting
  Incorrect. The Grand Canyon was formed by erosion.
• erosion
  Correct! The Grand Canyon was formed by erosion.
• digging
  Incorrect. The Grand Canyon was formed by erosion.
• mining
  Incorrect. The Grand Canyon was formed by erosion.

3. In what state in the Grand Canyon located?

• Arizona
  Correct! The Grand Canyon is located in northwestern Arizona.
• New Mexico
  Incorrect. The Grand Canyon is located in northwestern Arizona.
• Colorado
  Incorrect. The Grand Canyon is located in northwestern Arizona.
• California
  Incorrect. The Grand Canyon is located in northwestern Arizona.

4. What body of water eroded rock over millions of years to form a great gorge, the Grand Canyon?

• Mississippi River
  Incorrect. Geologists believe that several small rivers eroded the canyon from west to east, eventually merging to create one large river, the Colorado River.
• Arizona canal
  Incorrect. Geologists believe that several small rivers eroded the canyon from west to east, eventually merging to create one large river, the Colorado River.
• Colorado River
  Correct! Geologists believe that several small rivers eroded the canyon from west to east, eventually merging to create one large river, the Colorado River.
• Black River
  Incorrect. Geologists believe that several small rivers eroded the canyon from west to east, eventually merging to create one large river, the Colorado River.

5. Who was the first European explorer to see the Grand Canyon?

• Frank Goodman
  Incorrect. The Spanish explorer, Garcia Lopez de Cardenas, saw the Canyon in 1540.
• John Smith
  Incorrect. The Spanish explorer, Garcia Lopez de Cardenas, saw the Canyon in 1540.
• Jacques Cartier
  Incorrect. The Spanish explorer, Garcia Lopez de Cardenas, saw the Canyon in 1540.
• García López
  Correct! The Spanish explorer, Garcia Lopez de Cardenas, saw the Canyon in 1540.

6. In 1919, the U.S. government designated the Grand Canyon as what kind of public space?

• National Park
  Correct! The park was enlarged in 1975 to include other areas, such as Marble Canyon and parts of Glen Canyon and Lake Mead.
• National Monument
  Incorrect. The national park was enlarged in 1975 to include other areas, such as Marble Canyon and parts of Glen Canyon and Lake Mead.
• National Treasure
  Incorrect. The national park was enlarged in 1975 to include other areas, such as Marble Canyon and parts of Glen Canyon and Lake Mead.
• National Landmark
  Incorrect. The national park was enlarged in 1975 to include other areas, such as Marble Canyon and parts of Glen Canyon and Lake Mead.

7. What water sport has become popular to explore the Grand Canyon along the Colorado River?

• white-water rafting
  Correct! White-Water rafting is a popular way to explore the Grand Canyon.
• motor boating
  Incorrect. White-Water rafting is a popular way to explore the Grand Canyon.
• tubing
  Incorrect. White-Water rafting is a popular way to explore the Grand Canyon.
• sailing
  Incorrect. White-Water rafting is a popular way to explore the Grand Canyon.

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?

• England
  Incorrect. United States. John Wesley Powell led the expedition in 1869, and it took the group two months to complete the journey.
• Spain
  Incorrect. United States. John Wesley Powell led the expedition in 1869, and it took the group two months to complete the journey.
• United States
  Correct! John Wesley Powell led the expedition in 1869, and it took the group two months to complete the journey.
• Mexico
  Incorrect. United States. John Wesley Powell led the expedition in 1869, and it took the group two months to complete the journey.

9. What technique do geologists use to date the Grand Canyon?

• carbon dating
  Incorrect. The correct answer is uranium-lead dating. In 2008, geologists found that the Grand Canyon is at least 16 million years old.
• potassium-argon dating
  Incorrect. The correct answer is uranium-lead dating. In 2008, geologists found that the Grand Canyon is at least 16 million years old.
• map-science dating
  Incorrect. The correct answer is uranium-lead dating. In 2008, geologists found that the Grand Canyon is at least 16 million years old.
• uranium-lead dating
  Correct! In 2008, geologists found that the Grand Canyon is at least 16 million years old.

10. How many people visit the Grand Canyon each year?

• five million
  Correct! The annual visitation to the park in 1919 was 44,173.
• one million
  Incorrect. The answer is five million. The annual visitation to the park in 1919 was 44,173.
• nine million
  Incorrect. The answer is five million. The annual visitation to the park in 1919 was 44,173.
• seven million
  Incorrect. The answer is five million. The annual visitation to the park in 1919 was 44,173.