a magnet
A magnet is a piece of iron or other material that attracts other iron-containing objects. The characteristic that exists in magnets that does not exist in materials that lack magnetism is the alignment of domains.
A material that attracts small pieces of iron is called a magnet. Magnets have magnetic properties that allow them to attract iron and other magnetic materials.
magnets
The sure test of magnetism is the ability of a material to attract iron or other magnetic materials. If a material attracts iron, it is considered to be magnetic.
Iron or materials containing iron will rust into oxides, either Fe2O3 (light brown) or Fe3O4 (dark brown).
magnetic
magnetic
When a mineral attracts iron-based materials, it is exhibiting the property of being ferromagnetic. This means that the mineral can produce a magnetic field and is capable of attracting materials such as iron, nickel, or cobalt.
An object that attracts material containing iron and always faces the same direction when moving freely is lodestone. ---- Nickel and cobalt are two other metals, in addition to iron, that display this type of magnetism. If you wish more information it is available on the wikipedia article entitled 'magnet'.
Magnetic :p
Magnetic energy attracts objects made of iron. When a magnetic field is present, objects containing iron are drawn towards the source of the magnetic field.
no...only magnetic materials can be used as electromagnet...zinc is not a magnetic material