DIRECTION:Read the following statement and choose the
6. Which of the following is a good conductor of heat and electricity?
a ruler
b. straw
C. iron nail d. cloth
7. Why do we use cook wares made of metals in cooking?
a. Metals will move the heat from the flame to the food quickly
b. for a longer year to use
c. so that it is easy to clean
d. it is cheaper
8. The following materials are good conductors of heat and electricity EXCEPT
a. copper
b.gold
c. glass d. silver
9. Why are metals considered good conductors of heat and electricity?
a. they are very hard
b. they are nice
c. they are speedily to transfer heat and electricity
d. they are smooth
10. Any copper wires must be covered with cord made of rubber? a. so that it
will not melt while using it
b. so that it will look beautiful outside
C. so that it will make the copper wire stronger and unbreakable d. so that it will
not cause a person to be electrical grounded​