1. Which ancient Roman is thought to have built the first heated swimming pool?

2. Who among these women was the first to win a medal in both swimming and diving in the same Olympics?

3. Which of these sports is also known as water ballet?

4. Who was the first woman to swim across the English Channel?

5. Who captured gold medals in both the 3-metre springboard and 10-metre platform diving events at the 1984 and 1988 Olympic Games?

6. Which of these swimming strokes is believed to be the oldest?

7. Which stroke, used in competitive freestyle swimming, is the fastest of all strokes and is almost always used for covering any considerable distance?

8. Which type of canoe, now mostly used for sport, originated with the Inuit people of Greenland?

9. George Freeth was billed as the “man who can walk on water.” What sport did he help to popularize?

10. In which of these rowing races are all racers members of the Waterman’s Company of the City of London?

11. A water polo team consists of how many players?

12. Which swimmer won five Olympic medals and was the first man to hold world records in the 400-metre, 880-yard, and 1,500-metre freestyle events?

13. Which champion swimmer and surfer developed the flutter kick in freestyle swimming and won three Olympic gold medals?

14. Which athlete dominated the sport of kayaking in the mid-20th century, winning four world championships and six Olympic gold medals?

15. Which of these water sports uses a one-person craft called a sailboard?

16. Octopush is an underwater variety of what game?