Fill in the Blanks PhysicsOnline version Review about Physics concepts by Handy Armenta 1 phenomena force studies matter time subatomic particles goal scientific fields fundamental crucial role scientific disciplines galaxies technology universe medicine industries motion practical applications natural science space engineering energy smallest behavior Physics is the that , its and through and , and the related entities of and . Physics is one of the most , and its main is to understand how the behaves . It encompasses a wide range of , from the to the largest . Physics plays a in many other and has in various , including , , and . 2 iron north piece atoms magnet Magnetism magnet along attract each direction exerted motion south force charges aligned other the north poles Opposite piece iron Magnetism is the force by magnets when they or repel each other . is caused by of electric . All magnets have and poles . poles are attracted to other , while the same repel each . When you rub a of a , the - seeking poles of the in the iron line up in the same . The generated by the atoms creates a magnetic field . The of has become a .
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