1. What body of water does the Panama Canal connect to the Pacific Ocean?

2. Around how long is the Panama Canal?

3. What country first began to build the canal in 1881, but failed?

4. What country funded the construction of the canal?

5. What year was the canal officially opened for traffic?

6. What was the name of the dam that was built to make an artificial lake in the center of Panama?

7. Around how many miles of travel are saved on a trip from San Francisco to New York by using the Panama Canal?

8. What was the most difficult and dangerous part of the construction of the canal?

9. How high do the locks of the Panama Canal have to raise and lower boats?

10. True or False: The Panama Canal is still an important part of international trade.