Question

The set up for a science experiment uses a battery, light bulb and copper wire. Which material can be connected to copper wire and a battery to light up the bulb?

aluminum foil
rope
plastic straw
nylon string
An electrician wears rubber gloves when working on electrical wiring. What is the purpose of the rubber gloves?

to allow more electrons to pass through
to protect hands from being punctured or cut
to increase the temperature of the hands
to prevent electric shock by restricting the flow of electrons
to prevent electric shock by restricting the flow of electrons

Why is metal a good conductor?

Its rigid structure creates a strong bond among electrons.
It has a solid and compact material.
It has a higher restriction for moving electrons.
Its valence electrons flow freely through the material.