1. How many sides has a nonagon?
   Nine.
2. Which is the heaviest of the naturally occuring elements?
   Uranium.
3. For what would a doctor use a sphygmomanometer?
   To measure blood pressure.
4. Which element has the symbol Sn?
   Tin.
5. Which is the hardest mineral on the Mohs scale?
   Diamond.
6. What name is given to an angle of less than 90 degrees?
   Acute.
7. In computing what does the acronym HTML refer?
   Hyper Text Mark-up Language.
8. Who invented the electric light ?
   Edison.
9. Which element is the best conductor of electricity?
   Silver.
10. Of what is seismology the study?
    Earthquakes.
11. Who was the second person to walk on the moon?
    Buzz Aldrin.
12. How many gills are there in an imperial pint?
    Four.
13. What is measured in becquerels?
    Radioactivity.
14. Which is the longest bone in the human body?
    The Femur.
15. Who,in 1754, discovered Carbon dioxide?
    Joseph Black.
16. Hydrophobia is another name for which condition?
    Rabies.
17. How is a Lent Lily better known?
    Daffodil.
18. A defeciency of which vitamin causes scurvy?
    Vitamin C.
19. Which element has the highest melting point?
    Carbon.
20. What did Wilhelm Rontgen discover?
    X-Rays.