Conductors and Insulators

Conductor and Insulator

Insulator

• materials that do now allow electric current to flow through

• Examples: plastics, wood, rubber, glass

Multiple Choice

Which of the following is an example of insulator?

• wire

• wood

Multiple Choice

Which of the following is an example of insulator?

• steel

• paper

Conductor

• materials that allow electric current to flow through

• Good electrical conductors are generally good heat conductors. Examples are steel and iron.

  
  

• Electrical conductors are materials that allow electric current to flow through.

             Examples: salt water, metals such as copper, aluminum and non-metals like graphite (a form of carbon).

  
  

Multiple Choice

Which of the following is an example of conductor?

• rubber

• metal spoon

Multiple Choice

Which of the following is an example of conductor?

• iron

• plastic

Direction: Identify the object if it is insulator or conductor

Multiple Choice

rubber band

• insulator

• conductor

Multiple Choice

clay

• insulator

• conductor

Multiple Choice

silver

• insulator

• conductor

Multiple Choice

iron

• insulator

• conductor

Multiple Choice

cardbard

• insulator

• conductor