Magnet Through the Table
The object moves with no visible contact.
Teaching & key ideas
What you do: Move magnet underneath while the metal object moves above.
What students see: The object moves with no visible contact.
Why it works: Magnetic force acts through many nonmagnetic materials.
Question to ask: Can a magnet pull through something?
Lesson flow
Predict → demonstrate → observe → briefly explain → ask: Can a magnet pull through something?