Field lines
- always draw from north to south
- like poles repel
- unlike poles attract
- equally spaced
- draw 3-4 lines at least
Using a compass
- place the compass close to one end of the magnet
- observe where the needle points and leave a mark on either side of the needle
- move the compass to the new mark
- repeat steps
- join the dots to show the magnetic field lines
Permanent magnets
- have their own magnetic field
- always magnetic
Induced magnets
- only become magnetic
- if they are around a permanent magnet