The Metal

What is an ore?

• a solid metal

• a rock that contains a lot of metal

• an object used to row a boat

Why were metal detectors first used?

• To help miners

• To help doctors

• To help soldiers

A mixture of metals is called:

• a medallion

• an alloy

• a metamix

Where was gold first discovered in California?

• Sutters Mill
• San Fransisco
• Sacramento

Which group immigrated to the U.S. to join the gold rush?

• British

• Chinese
• Germans

Which country has the most Olympic medals?

• Russia

• USA

• China

What country has won the most WINTER Olympic medals?

• United States
• Canada
• Norway

Copper will turn what color when aged ?

• Red

• Green

• Black

This stuff is used to join copper pipes and fittings.

• Solder

• Glue

• Putty

Copper piping has been used over ______________ years.

• 100

• 1,000

• 10,000