Bar magnets and horseshoe magnets are two of ... They will be pushed in opposite directions. If you bring a north pole and a south pole together, they will attract. Earth's core contains liquid ...

Alanna Mitchell: Right now on the surface of the planet, it looks like it's just a bar ... two-pole system. But sometimes, Earth doesn't always just have a single magnetic North and South Pole.

(ii) When a bar magnet is freely suspended, it points in the north-south direction. The tip which points to the geographic north is called the north pole and the tip which points to the geographic ...