Electricity,Conductors, and Insulators

Which material is used to cover electrical wires for safety because it is an insulator of electric energy? Options: Copper, Aluminum, Iron, Rubber

Objects to complete a circuit: Wooden craft stick, Plastic bottle cap, Iron paper clip, Rubber pencil eraser

Jake needs an insulator for his electric circuit project. Which material is NOT a good insulator? Options: Plastic, Rubber, Copper, Glass.

Electricity will flow in an electric circuit only if the circuit -

What change would most likely make a buzzer attached to a battery with a switch produce sound? Options: Remove the battery, Add more wire, Use a bigger buzzer, Close the switch.

All of the objects below are conductors of electricity EXCEPT–

For the bulb to light, the object placed between the two wires must be –

Elijah places four different materials at the same temperature onto a hot plate to find out which material is the best insulator. The information presented in the table shows the temperature of each material after 15 minutes. Which material is the best insulator? Options: Material 1, Material 2, Material 3, Material 4

The illustration shows a circuit with a battery, a bulb and an open switch, all connected with wires. This electric circuit can be completed by –

Which of the following items is a poor conductor and a good insulator? Options: Silver, Wood, Tin, Copper