1. What was the name of the ship on which the Pilgrims traveled to America in 1620?

2. Which empire was ruled by Genghis Khan?

3. What was the original primary use for the first wheels invented in Mesopotamia?

4. What is the primary function of an Archimedes' screw?

5. What was the first message ever sent by Samuel Morse via telegraph in 1844?

6. Who is credited with the initial accidental discovery of penicillin in 1928?

7. Whose hand was the subject of the first-ever medical X-ray image?

8. What was the first commercial product made using nylon?

9. Which software company was founded specifically to write a programming language for the Altair 8800?

10. What improvement made 'safety matches' safer than early friction matches?

11. What material is commonly used in gas mask filters to trap and neutralize toxic gases?

12. What technology allows E-readers like the Kindle to have long battery life and look like real paper?

13. Why is a chip card more secure than a magnetic stripe card?

14. What made Gaston Planté's 1859 battery different from earlier versions like the Voltaic Pile?

15. In what century did steamboats first become commercially successful?

16. What fuel source powered most early American steamboats?

17. What famous American author once worked as a steamboat pilot?

18. What is the primary purpose of a rudder on a steamboat?

19. What eventually reduced the dominance of steamboats?

20. Steamboats were especially suited for river travel because they could do what that sailing ships struggled with?