Conductors & insulators Fill in the missing words with words provided conductor water rubber energy electricity insulator allows stops 1. An electrical _______________ is a material that allows _____________ to pass through it. 2. An electrical _______________ is a material that does not allow electricity to pass through it. 3. An electrical insulator ___________ the flow of electrical ____________ in a circuit. 4. An electrical conductor _____________the flow of electricity in a circuit. 5. ____________ is an example of an electrical insulator. 6. ____________ is an example of an electrical conductor.