Chemistry and physics lesson 13

Magnetite

a rock with a shiny black surface

Magnet

any object that attracts and repels metals

Magnetic field

 force around an object

Magnetic

objects that are attracted to magnets

Domain

an area

Ferromagnetic

objects attracted to magnetite

Magnetic moment

 when magnetic fields are created

Diamagnetic

substances with a weak response to magnets.

Paramagnetic

substances which are slightly attracted to magnets

Lodestone

 leading stone/ magnetite

Compass

device people use to find their way whilst traveling

Inclinometer

measures the tilt of a needle on a compass

Magnetosphere

magnetic field around the world

Electromagnet

a temporary magnet where the magnetic field can be turned on and off

Motor effect

 when a magnetic field causes a wire to move