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Y8 Magnets and Elect
Key words
| Term | Definition |
|---|---|
| lodestone | A natural iron containing rock that acts as a magnet |
| magnetised | To make something magnetic |
| permanent magnets | Magnets that stay magnetised |
| temporary magnets | Magnets that easily lose their magnetism |
| domains | Sections in a material where the magnetic spins of the atoms are in the same direction |
| magnetically hard | Hard to magnetism but becomes a permanent magnet |
| magnetically soft | Easy to magnetism but becomes a temporary magnet |
| repel | To pull apart |
| attract | To draw together |
| pole | The end of a magnet (either north or south) |
| magnetic induction | To create magnetism in an object by the influence of a magnetic field |
| magnetic field | The area under the influence of a magnetic force |
| field lines | Lines drawn (N --> S) to show where the magnetic field is |
| north-seeking pole | Also called the north pole, is the pole of a magnet that points north |
| south-seeking pole | Also called the south pole, is the pole of a magnet that points south |
| solenoid | A coil of wire |
| electromagnet | A magnet created when electricity passes through a solenoid |
| core | A magnetic substance in the centre of a solenoid |