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Ørsted's discovery

It is said that Hans Christian Ørsted noted this effect rather by accident when preparing a lesson: an electric current passing through a wire deflects a compass needle.

Electromagnet competition

What determines the polarity and strength of an electromagnet? Just turn this experiment into a competition and your students will be eager to find out.

Where is the Earth's magnetic north pole?

A bit off the coast of Antarctica. Really.

Mapping the magnetic field

... with a compass instead of iron filings is not only easier but also reveals that the magnetic field has a direction.

Find my direction magnetically

Compare your homemade compass to the industrial version.



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Ciênsação teaching tools are not toys and should only be used under the supervision of a responsible educator. Not suitable for children under 5 years.