What is a magnetic compass?

What is the general rule of attractions between magnets?

What are magnetic materials?

Define demagnetise.

Permanent magnets are made of steel, because . . .

Define magnetic field.

What does a magnetic field look like, for a bar magnet? What can be used to show the shape of it?

Plotting compasses showing the magnetic field

Magnetic field lines are also known as lines of _ _ _ _ _ . The lines are most concentrated at the _ _ _ _ _, because the field is strongest there.

The further away the plotting compass is from the magnet, the _ _ _ _ _ _ the force of the field on the compass.

Define induced magnetism.