Pop Quiz: A Grand Canyon

How wide is the Grand Canyon at its widest point?
    a. 10 miles
    b. 14 miles
    c. 18 miles

How old are the oldest rock formations in the Grand Canyon?
    a. one billion years old
    b. two billion years old
    c. three billion years old

Which river courses through the Grand Canyon?
    a. San Angelo River
    b. Colorado River
    c. Little Colorado River

The Glen Canyon Dam, north of the Grand Canyon, created what lake?
    a. Lake Mead
    b. Lake Havasu
    c. Lake Powell

The Grand Canyon is one of the Seven Natural Wonders of the World. Which of the following is not one of the Seven Natural Wonders?
    a. Mount Everest in Nepal
    b. Great Barrier Reef in Australia
    c. Angel Falls in Venezuela

Grand Canyon National Park was established in
    a. 1907
    b. 1919
    c. 1935

Which Native American reservation is still located in and near the Grand Canyon?
    a. Havasupai
    b. Hopi
    c. Anasazi

The most popular hiking trail on the Grand Canyon's south rim is the
    a. Kachina Trail
    b. Long Life Trail
    c. Bright Angel Trail

The north rim of the Grand Canyon is at an average elevation of
    a. 8,000 feet
    b. 9,000 feet
    c. 10,000 feet

The nearby Four Corners region is comprised of Arizona, New Mexico, Colorado and
    a. Oklahoma
    b. Utah
    c. Kansas