Unit 7 Working with Electricity

A material that allows the flow of electricity to pass through it

• conductor

• insulator

• electricity

• static electricity

A path in which electrical charges can flow.

• circuit

• conductor

• electric current

• static electricity

A material that resists the flow of electricity

• insulator

• conductor

• circuit

• switch

A ___ circuit has a break in the path of electricity

• open

• closed

• insulator

• conductor

A circuit that makes a complete loop

• closed

• open

• insulator

• conductor

A type of circuit which has more than one path for electric charges to flow

• parallel

• series

• electric

• current

A type of circuit which has only one path for electric charges to flow

• series

• parallel

• electric

• current

Which is a conductor of electricity?

• copper

• wood

• plastic

• rubber

Which is an insulator of electricity?

• wood

• copper

• steel

• gold

This fan is plugged into an electrical outlet. Describe the energy transformation that makes the fan work.

• Electrical energy transforms into mechanical energy

• Electrical energy transforms into thermal energy

• Mechanical energy transforms into electrical energy