give the method to make a magnetic compass
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Magnetism is an invisible force that affects materials such as iron, steel, nickel and cobalt.
A compass can be used to detect both the Earth’s magnetic field and the field around other magnets.
This guide will show you how to make your own magnetic detector, a compass.
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WHAT YOU NEED: i)A bowl of water, cork, sewing needle and a compass. 1 of 5.
ii)Rub the needle 50 times along the magnetic strip on a fridge door. ...
iii)Place the magnetised needle onto the piece of cork. ...
iv)Gently place the needle and cork into the bowl of water. ...
v)The needle will turn and then come to a complete stop.
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