Q1. Hannah has three rods (A, B and C) made from different
metals. One rod is a magnet; one is made of copper; and one is
made of iron. She does not know which rod is which. Each rod
has a dot at one end. (a)Hannah uses only a bar magnet to identify
each rod. She puts each pole of the bar magnet next to the
dotted end of each rod. Complete Hannah's observations in the
table below. Write if each rod is copper, iron or a magnet.
