Conductors and Insulators Quiz

What is a conductor?

• A material that blocks the flow of electrons.

• A material that allows the flow of negatively charged electrons.

• A material that glows when electricity passes through it.

• A material that changes color when heated.

Which of the following materials was found to be an insulator in the experiments?

• Plastic

• Saltwater

• Aluminum

• Copper

What happened when salt was added to water in the experiment?

• The water remained an insulator.

• The water changed color.

• The water evaporated.

• The water became a conductor.

Why did the pickle glow and smoke during the experiment?

• Because it is made of metal.

• Because it is a strong conductor.

• Because it has a lot of salt in it.

• Because it is a strong insulator.

Which object was found to be an insulator despite being tested with 110 volts?

• Celery

• Copper

• Screwdriver

• Plastic