| A | B |
| electric charge | when matter has an overall positive charge or a negative charge |
| neutral | no electrical charge |
| repel | to push away |
| attract | to pull toward |
| electric force | the push or pull of charged objects on each other |
| conductor | electrical charges can move easily |
| insulator | electric charges cannot move easily |
| static discharge | the transfer of particles that have an electric charge between objects that are not touching |
| natural magnet | not made magnetic by people |
| permanent magnets | magnetism cannot be turned on and off |
| electromagnet | magnets that can be turned on and off by an electric current |
| magnetic pole | the point where the magnetic force is strongest |
| magnetic field | the space where the force of a magnet acts |