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History of geomagnetism

physical science Maturity 9-11

The Earth is like a big magnet.

PSM V59 D358 Gilbert terella with dipping needle directions.png
PSM V59 D358 Gilbert terella with dipping needle directions.png
It has a force we cannot see. This force helps us find our way. It makes a needle point north. We use this to sail ships. Can you find north today?
Model Si Nan of Han Dynasty.jpg
Model Si Nan of Han Dynasty.jpg

53 words
🖼️ Images & Media (11)
File:Model Si Nan of Han Dynasty.jpg
Model Si Nan of Han Dynasty.jpg
File:GeomagCoords.png
GeomagCoords.png
File:Boussole marine.png
Boussole marine.png
File:Rupes Nigra.jpg
Rupes Nigra.jpg
File:PSM V59 D358 Gilbert terella with dipping needle directions.png
PSM V59 D358 Gilbert terella with dipping...
File:Cabeo, Niccolò – Philosophia magnetica, 1629 – BEIC 77684.jpg
Cabeo, Niccolò – Philosophia magnetica,...
File:Le_Nautonier_-_1603_-_first_plot_of_the_geomagnetic_equator_-_color.jpg
Le_Nautonier_-_1603_-_first_plot_of_the_ge...
File:Halleold.jpg
Halleold.jpg
File:Guillaume Brouscon. World chart, which includes America and a large Terra Java (Australia). HM 46. PORTOLAN ATLAS and NAUTICAL ALMANAC. France, 1543.C.jpg
Guillaume Brouscon. World chart, which...
File:Magnetic North Pole Positions 2025.svg
Magnetic North Pole Positions 2025.svg
File:Halley compass variations 1702.jpg
Halley compass variations 1702.jpg
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📚 Content adapted from Wikipedia | Readability: FK 12.4 | Vital Level 5