Magnetic field

Magnetic field. Bar magnet with iron filings aligned around it. The magnetic field induces magnetism in each of the filings, which then line up in the field. Although the field is actually continuous, interactions between the filings cause them to accumulate in thin arcing lines.

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Keywords: aligning, attracted, attraction, bar magnet, demonstration, experiment, ferromagnetic, field, force, iron filing, magnet, magnetic, magnetic field, magnetism, metal, pattern, physic, physical, pole, repelled, repulsion, school science