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13 questions
A material that prevents heat or an electric current from flowing
Conductor
Insulator
Magnetism
Electric Circuit
What would best complete this circuit?
A wire
A switch
A battery
A light bulb
The electrical wires in many homes are made of copper and covered with plastic. Why are copper and plastic good choices for electrical wires?
Copper is a conductor of electricity, and plastic is an insulator of electricity.
Copper is an insulator of electricity, and plastic is a conductor of electricity.
Copper is a conductor of electricity, and plastic is an insulator of heat.
Copper is an insulator of electricity, and plastic is a conductor of heat.
Which of these is a conductor?
Which of the following is a group of items that can be used to conduct electricity?
paper clip, nail and penny
paperclip, nail and cardboard
rubber-band, eraser, and cotton ball
rubbe- band, paperclip and nail
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