1. Light
bounces off silver. That means it does what well?
3. Nickel is an important part of
stainless what?
5. Lead is used in many things. It
used to be used in something that now has graphite in it. What is that?
6. Mercury is used by dentists. What
do they use it for?
7. Copper mixed with this mineral
makes brass.
10. Because copper is a very good
conductor of electricity, it is stretched thin to make what?
12. Scientists pull something behind
an airplane to find iron in the earth. What is it called?
14. Gold does not break down. This
means it does not what?
15. Aluminum can be used again. This
is called what?
16. This mineral is used around
x-rays for protection.
17. Making things last longer is
called galvanizing. This coating can protect iron and steel from rust for up to how many
years?
DOWN
2. Some of the biggest deposits
of this mineral were found by accident.
3. This mineral is the best conductor
of heat and electricity.
4. Metal usually found in bauxite
clay.
8. This mineral is used in more than
3,000 alloys.
9. Thermometers have this mineral in
them.
11. Many scientists believe the
center of the earth has large amounts of this mineral.
13. This mineral is the most
malleable and ductile.
