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# physics, magnetism, magnetic poles
Let your students playfully gain a feeling for the invisible and 'magic' force called magnetism. After freely experimenting to see what is attracted to a magnet and what not, let them ponder the question what distinguishes the two ends of a magnet, ...
# physics, magnetism, magnetic field, magnetic shielding
In schoolbook pictures it is simple and clear: equal magnetic poles repel each other. And indeed they do, as long as you don't place a coin between them and feel the attracting force...