Question

How does the needle of a compass change direction when placed near a magnet?

Answer 1

The needle of a compass is itself a magnet, and thus the north pole of the magnetalways points north, except when it is near a strong magnet. In Experiment 1, when you bring the compass near a strong bar magnet, the needle of the compass points in the direction of the south pole of the bar magnet.

Answer 2

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The $\sf{\bold{compass\:needle}}$ is a small magnet. When the compass needle is brought close to a bar magnet, the magnetic field lines of the compass needle interact with the magnetic field lines of bar magnet, which causes the compass needle to deflect.

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