B. Exercises
Exercise 1
Directions :: Identify the materials which are good conductors of heat and electricity. Draw a
if the material is a conductor of heat and electricity and moon
on a separate piece of paper.
-sun
(if it is an insulator. Write your answers-
1. plastic glass
6. nickel
2. rubber
7. copper wire
3. aluminum
8. wool
4. iron
9. silver
5. wooden ladle
10. ceramic​