Answer key for an electricity vocabulary worksheet.

1. The flow of electric charge is called an electric current.
2. A path that allows electricity to flow is called a circuit.
3. Devices we use, such as lamps, motors, or heaters, are called loads.
4. Insulators prevent the flow of electricity; examples include plastic, wood, and glass.
5. Conductors allow the flow of electricity; examples include copper, iron, and aluminum.
6. A battery provides energy to move electrons through a circuit.
7. Glass is not a good conductor of electricity because it is an insulator.
8. Copper is used in electrical wires because it is a good conductor.
9. A switch controls whether electricity flows through a circuit.
10. A generator converts mechanical energy into electrical energy.