| Definition | Word To Search For |
| Rapid and interrupted current, flowing first in one direction and then in the opposite direction, changing directions sixty times per second | AC |
| Unit that measures the strength of an electric current (the number of electrons flowing through a wire) | Amp |
| Breaker switch that automatically interrupts or shuts off an electric circuit at the first indication of overload | Circuit |
| Constant, even-flowing current that travels in one direction | DC |
| Flow of electricity along a conductor | Current |
| The movement of particles around an atom that creates pure energy | Electricity |
| Special device that prevents excessive current from passing through a circuit | Fuse |
| A material that does not transmit electricity easily | Insulator |
| One-thousandth of an ampere | Milliampere |
| Unit that measures the resistance of an electric current | Ohm |
| The part of the electromagnetic spectrum that can be seen with the naked eye | Visible |
| Unit that measures how much electric energy is being used in one second | Watt |
To play, click (tap) the first letter of the word, then click (tap) the last letter.
{{cell.letter}}