Front

Why electrical wiring usually are covered with a layer of plastic?

Back

To make it safe by keeping electricity in

Front

Why is electrical wiring usually made from copper?

Back

Because copper conducts electricity

Front

A material that does NOT let electricity pass through it is called ...

Back

An electrical insulator

Front

What are the necessary components of a circuit?

Back

Energy source, light bulb, wires

Front

___________ wires keep electrons on course & protect us from the dangerous flow of electricity.

Back

Insulated

Front

If the circuit is CLOSED, the switch is _______.

Back

ON

Front

If the electric circuit is OPEN, the switch is ____.

Back

OFF

Front

In most electrical circuits, the pathway is made of: Metal, Plastic, Static, Wood

Back

Metal

Front

How does rubber differ from most metals?

Back

Rubber is a good insulator; most metals are good conductors

Front

Which part of the bulb gives off light?

Back

2