Colorado River

Choose an answer from the three choices or True or False offered after each question and then "Check Your Answers" at the end of the quiz.

1) The Colorado River is a river in the southwestern United States and northwestern Mexico, approximately 1,450 mi long, draining a part of the arid regions on the western slope of the Rocky Mountains. The natural course of the river flow, where does it flow into?

• Gulf of California
• Caribbean Sea
• Arabian Gulf

2) What is the source of the Colorado River?

• Grand Junction Lake
• Cummings Canyon Lake
• La Poudre Pass Lake

3) What is the modern location (according to some experts) that originally may have been the outlet of the Colorado River before the development of the San Andreas fault?

• Yuma, Arizona
• San Francisco, California
• Santa Barbara, California

4) Construction of Glen Canyon Dam began in 1956. What year was the dam dedicated?

• 1959
• 1963
• 1966

5) The Little Colorado River flows into the Colorado River. The Colorado River flows westward and flows through Marble Canyon.

• True or False?

6) Hoover Dam was built in the mid-1930s. The Colorado River forming behind the Hoover Dam forms what lake?

• Lake Hoover
• Lake Mead
• Lake Roosevelt

7) What was the name of Hoover Dam (going back to its project name) from 1933 to 1947?

• Mansfield Dam
• Boulder Dam
• Glen Canyon Dam

8) London Bridge (built in the 1800’s) was replaced and moved to Arizona. It was rebuilt on a Colorado River Lake. What is the lake’s name?

• Lake Mead
• Lake Mohave
• Lake Havasu

9) Several cities have aqueducts leading all the way back to the Colorado River. What is NOT a city?

• Los Angeles, California
• Tucson, Arizona
• San Francisco, California

10) The Colorado River begins it flow at about 9,000 feet in the Rocky Mountains. By the time it reaches the Arizona, California, and Mexico border, what is the elevation?

• 1,000 feet
• 500 feet
• 100 feet

Check Your Answers

• 1) Gulf of California
• 2) La Poudre Pass Lake
• 3) Santa Barbara, California
• 4) 1966
• 5) False. The canyon is the Grand Canyon.
• 6) Lake Mead
• 7) Boulder Dam
• 8) Lake Havasu
• 9) San Francisco, California
• 10) 100 feet

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