Copper Quiz

This quiz is based on copper facts at Copper Downunder.

It can be completed online by starting at the first copper fact sheet (there's a prize at the end!), or you can print out and copy the list of questions below.

1. What is the chemical symbol for copper?
   1. Cu
   2. Pb
   3. Ag
2. Copper is solid at room temperature.
   1. True
   2. False
3. Most of the copper deposits in Australia were formed
   1. Thousands of years ago
   2. More than 250 million years ago
   3. 250 years ago
4. According to Moh's Scale, copper has a hardness of
   1. 2 - 4
   2. 2.5 - 3
   3. 3.5
5. Copper is so ductile that it
   1. can be drawn into a thin wire
   2. can be beaten into thin sheets
   3. can be used in cricket bats
6. Copper melts at a temperature of
   1. 2660 degrees Celsius
   2. 1660 degrees Celsius
   3. 196.97 degrees Celsius
   4. 1083 degrees Celsius
   5. copper cannot be melted
7. Bronze is an alloy of
   1. gold and copper
   2. copper and lead
   3. copper and tin
   4. copper and zinc
8. Copper was probably
   1. the first metal used by humans
   2. used to make the first bridges
   3. first discovered by Spanish explorers
9. In Australia, copper is most commonly found as the mineral
   1. malachite
   2. chalcopyrite
   3. bronze
10. If copper is put into a beaker of sulfuric acid, the solution will
    1. turn green
    2. turn blue
    3. stay the same
    4. smell like old socks