magnetic field
Iron
what is the general rule for how charged objects interact
A magnet creates a magnetic field. This field is a force that affects magnetic objects. Like any other force, it can be used to move objects.
the magnet attracts to iron by the magnetic field both the iron and the magnet have
A magnet has a magnetic field around it. The magnetic field causes a magnetic force that can attract objects to the magnet.
It is not material Per se but one thing that is found in all objects attracted by magnet are atoms.
Objects that are attracted to a magnet are ferrous metals. This means they are composed of elements like iron, nickel, and silver.
By brushing it against a metal
Magnets have a magnetic field about them. This field can act on objects without the magnet coming in contact with the object.
No, your fingers cannot stick to a magnet. Only iron or steel objects will stick to a magnet. Your fingers do not have those materials, so it will not stick to a magnet.
No country invented the magnet. Magnets are naturally occurring objects. The Chinese were the first to use a magnet as an aid to navigation.
They are the opposite polarity to the side of the magnet they are attracted to.