1. Who first argued that the world was not flat?
2. Which metal is the best conductor of electricity?
3. The binary system of numbers uses which two numerical digits?
 1 and 0
4. Which scientist was born in Germany in 1879, became a Swiss citizen in 1901 and later became a US citizen in 1940?
 Albert Einstein
5. Which temperature has the same value in both centigrade and farenheit?
6. Which planet in the Solar System is closest in size to Earth?
7. What is the sum of the internal angles in a hexagon?
 720 degrees
8. What do the initials "PVC" stand for?
 Polyvinyl chloride
9. What is an Ishihara test used for?
 To determine whether or not someone is colour blind
10. What is the most common blood type in humans?
Tie Break What is the atomic number of the element Californium?