| A | B |
|---|
| Electric current | flow of electric charge |
| Conductor | lets electric charge pass through it |
| Insulator | conducts very little electricity |
| Magnetic field | space around magnet where the attraction is felt |
| Circuit | the path on which the current flows |
| Poles | the ends of a magnet; attraction is strongest |
| Electron | part of an atom with a negative charge |
| Proton | part of an atom with a positive charge |
| Neutron | part of an atom with a neutral charge |
| Resistance | anything which slows down the flow of electric charge |
| Silver | the best conductor of the metals |
| Series circuit | current moves on one path |
| Parallel circuit | current moves on more than one path |
| Magnetic poles | where compasses point |
| Geographic poles | fixed places at each end of axis |
| Sunspots | dark patch where a magnetic storm is occurring |
| Circuit breaker | automatically opens an electric current when too much current flows through it |
| Fuse | metal strip melts to open a circuit when too much current flows through it |
