A magnetic compass works by indicating the direction of the north magnetic pole. The needle of a compass is actually a very small bar magnet, which is balanced on a pivot so that it is easily able ...
Check your compass again — Earth’s north magnetic pole is moving toward Siberia. Since at least the early 19th century, Earth’s north magnetic pole has been situated in the Canadian Arctic ...
The fact that the grains of ancient rocks are lined up like tiny compass needles has led to the astonishing conclusion that the earth's magnetic poles have wandered and reversed By S. K. Runcorn ...
The planet's magnetic North Pole, where compasses point, has been unexpectedly moving toward Russia. While shifting is not a rare occurrence, the pole is moving both faster and differently than it ...
A magnetic field is invisible ... the points to show the field lines The needle of a plotting compass points to the south pole of the magnet.