Magnetism Flashcards
The magnetic effect
Is the strongest at the two ends called the North Pole and the South Pole
Like poles repel
Like poles repel each other, unlike poles attract
Magnetic compass
Contains a small magnet balanced on a thin spindle which is free to move. It’s North Pole points north
Magnetic field
The space around a magnet where a magnetic force can be seen
Magnetic field lines
Go from the North Pole to the South Pole of a magnet
The earth has a magnetic field
As if it had a huge bar magnet at its centre, with the the magnets South Pole in the northern hemisphere
Magnets are used in
Electric motors, telephones, loudspeakers, compasses, press and fridge doors, dynamos etc.
Iron, nickel, cobalt or their alloys
Can be magnetised