Describe and activity two plot a magnetic field line outside the bar magnet from one Pole to another pole
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Magnetic fields are invisibile, but with this activity you can – abracadabra – make the field lines appear!
Magnets have two poles; the field lines spread out from the north pole and circle back around to the south pole. In this activity, you'll watch field lines materialize before your very eyes. The invisible will be made visible thanks to a handful of tiny iron filings.
What you’ll need:A bar magnetA piece of white paperA pencil or penA compassSimilar questions