Directions: Supply the correct words by choosing the correct answer in the word box.
Copper wires are widely used for 1.___
because they are 2.___
and
are good conductors of electricity, while steel and 3.___
are good conductors
of both 4.___
and 5.___
Conductors are materials that allow electricity and heat to
6.___freely through them, 7.__
electricity and heat to be transferred from the source
through them. Not all materials are good conductors of heat and electricity. Materials that are 8.___
or that 9.___
heat and electricity to pass through them are called
10.___

heat
electrical wiring
ductile
nonconductors do not allow
electricity
aluminum
flow
insulators.
allowing​