General Knowledge Semi-Toughie

15 Points Per Correct Answer - No time limit  

1. What new type of water transport did Christopher Cockerell design? Hovercraft Submarine Jet Ski Catamaran

2. Who invented the crescograph, a device for measuring plant growth? Albert Einstein Thomas Edison Humphrey Davy Jagadish C. Bose

3. What was the first industrial use to which the steam engine was put? Running a printing press Powering a boat Pulling a carriage Draining flooded mines

4. Which mathematician is associated with 'Set Theory'? Isaac Newton De Morgan Euclid Archimedes

5. The American state of Alaska was purchased from which country? Russia Britain Canada Holland