The Earth's Magnetic Field
The Earth behaves as if there is a bar magnet in it
.
In the diagram above there is an imaginary magnet drawn, note the south pole
of the magnet is in the northern hemisphere in order to attract the north pole
of a compass.
Contents
History of magnetism, What is a magnet
What do magnets do, Test for a magnet
Magnetic fields
Theory of magnetism
Induced magnetism
Magnetic properties of iron and steel
Storing magnets
Making a magnet
Electro-magnets
Primary science applications
Fleming's Left Hand Rule
Self assessment
Comments, reflections and study action plan