Magnetism Flashcards
1
Q
The magnetic field of a magnet
A
Is strongest at the two ends- called the North Pole and South Pole
2
Q
Like poles repel each other
A
Unlike poles attract
3
Q
A magnetic compass
A
Contains a small magnet balanced on a thin spindle which is free to move. It’s North Pole points north.
4
Q
A magnetic field
A
Is the space around a magnet where a magnetic force can be seen.
5
Q
Magnetic field lines
A
Go from the North Pole to the South Pole of a magnet
6
Q
The earth has a magnetic field
A
As if it had a huge bar magnet at it’s centre, with the magnet’s South Pole in the northern hemisphere.
7
Q
Magnets are used in
A
Electric motors, telephones, loudspeakers, compasses, press and fridge doors, dynamos etc.
8
Q
Iron, nickel, cobalt alloys
A
Can be magnetised
