🧲 Magnets & Compass
A magnet has an invisible field looping from its north pole to its south. Drag the little compass around and watch its needle swing to follow the field — exactly how a real compass works. A compass needle is itself a tiny magnet.
Drag the compass 🧭
Field lines
Field arrows point away from North (red) and into South (blue). Near a pole the field is strong; far away it's weak. Earth itself is a giant magnet — that's why compasses point north.