Insulators and Conductors

wood is a _____?

• conductor
• insulator

water is a______?

• conductor
• insulator

A material in which electrons are not able to move easily 

• Circuit 
• Insulator 
• Resistance 
• Conductor

A conductor does not carry electricity.

• true
• false

Silver is a _____?

• insulator
• conductor

A material in which electrons are able to move easily

• Circuit
• Insulator 
• Resistance 
• Conductor 

Which of these best completes the circuit?

• rubber band
• metal nail
• leather shoelace
• wooden toothpick

A fifth grade class constructed this circuit.  Which of these objects most likely made the light glow when connected to points X and Y?

• plastic straw
• cotton string
• aluminum foil
• rubber eraser

The electrician in this picture is wearing rubber gloves for protection.  The purpose of the rubber gloves is to --

• keep the electrician dry
• create an electrical circuit
• produce electricity
• protect the electrician

Which of these substances conducts electricity the best?

• wood
• brick
• copper
• plastic