Here is an assignment I did in Science class Sentences For Vocabulary Words 1. The electrical power in the house comes from a generator in a powerhouse. There is a dynamo in a powerhouse that feeds electricity to the neighborhood. The conduits around the wires are tube or pipes. Metals are good conductors of electricity.
Plastic is an insulator of electricity.
Joules are units used to measure in the metric system. In an atom there are neutrons and the give no charge. Protons are in atoms and the give a positive charge. There are many ions in a car battery. A regular double-A battery has 1.5 volts.