The atoms of the iron in a paper clip or nail are tiny magnets and align into domains, regions in the solid where all the north poles of these little magnet point in the same direction.
(The atoms of the iron in a paper clip or nail; are; tiny magnets) (The atoms of the iron in a paper clip or nail; align; into domains)
The atoms of the iron in a paper clip or nail The atoms of the iron in a paper clip or nail
are align
tiny magnets
into domains