So, I feel as if the iron filings speak for themselves as opposed to a drawn picture. We discovered this anomaly when I assigned my students to use compasses to determine the magnetic field around a bar magnet, and they drew this. I told them it was wrong, and went to correct me, and they...
Hello everyone!
I am a high school physics teacher, and I am witnessing something with a piece of classroom equipment I can't quite explain: I have a bar magnet with three poles. There's a North pole on the top AND bottom, and a south pole in the middle. This would make sense if two magnets had...