P4.1 Magnetism Flashcards
1
Q
Compass
A
A small magnet that aligns in the Earth’s magnetic field to show its direction
2
Q
Domain
A
A model of a magnet which says that it is made of small magnetic regions called domains
3
Q
Induced magnet
A
A magnet that it produced when a magnetic material is placed in a magnetic field, which may or may not stay magnetic when the field is removed
4
Q
Magnetic field lines
A
Lines that model a magnetic field; denser lines mean a stronger field
5
Q
Magnetic north pole
A
The place on the surface if the Earth where a compass points (not the same as geographical north)
6
Q
Permanent magnet
A
A magnet that stays magnetic when other magnets, or an electric current, is removed
7
Q
Solenoid
A
A coil of wire
8
Q
Tesla (T)
A
The unit of magnetic field strength, or magnetic flux density
