Fill in the Blanks PhysicsOnline version Review about Physics concepts by Handy Armenta 1 subatomic particles smallest fundamental galaxies space goal force medicine natural science technology motion phenomena engineering time universe scientific fields crucial role energy practical applications Physics behavior industries scientific disciplines studies matter 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 aligned other exerted along atoms piece motion the iron force attract north north Opposite magnet south Magnetism each poles direction charges magnet 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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