Magnetism

Objective: To observe magnetism strength in different conditions of air and water.
Materials needed: magnet, glass of water, needles
What happens? Needles are inserted into the glass of water. The child touches with the magnet wall of glass. Needles are for pick up the cup being attracted by the magnet. The child out of glass needles without him touching them by hand.
Water bottle are a good magnetic conductors.