ScienceXplosion
28.11. 17:27
Eric, The Map, and the Compass
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Eric learns how a compass works. He makes one using a needle, and he discovers that the Earth is like a great big magnet.
Eric learns how a compass works and makes one using a needle. He discovers that because of the iron at the centre of the Earth and the way the Earth spins, the magnetic field around our planet acts like a giant magnet.
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