no, only in materials that can be magnetized
Magnetic field
I think you mean when you get a bigger magnet. To answer that question you need to know how a magnet works. All materials are made of molecules which are groups of atoms. These molecule organise in to groups called domains, everything is slightly magnetic because all the domains generate an electromagnetic field. When all the domains are aligned together (so all the north poles point one way) the magnetic force is noticable. If you have a bigger magnet then there are more domains to exert an electromagnetic force, I hope you got all that.
Each magnetic domain has a magnetic field. When an external magnetic field is applied, the magnetic domains will partially align, so the magnetic fields reinforce one another - instead of canceling one another, which is what happens when they are randomly distributed.
temporarily magnetic
Generally, no you can't. A ferromagnetic material has what are called magnetic domains within it. These domains are effectively "tiny magnets" and are randomly arranged when they are in non-magnetized ferromagnetic metals. We can align them and make the material magnetic with the right equipment. A bit of metal that is not ferromagnetic has to domains to realign, so it can't be magnetized.
No, magnetic domains are a phenomenon that only occurs in ferromagnetic materials.
Magnetic domains.
Domains inside the magnetic
domains
In non magnetized material the domains are not ordered -they do not align with one another.
The domains in a magnetic material is aligned unlike the non-magnetic material which is scattered
Without magnetic domains a magnet wouldn't have its magnetism. Magnetic domains are clusters of iron atoms that line up in the smae direction when magnetised. When unmagnitized the iron atoms scatter.
Magnetic field
"magnetic"
Iron has magnetic domains, that tend to align when the iron is in a magnetic field. Many other materials don't have such magnetic domains.
no
Magnetic domains have the tendency to align with magnetic fields. The Earth's magnetic field is relatively weak, but I would expect SOME alignment.