OK, so what do you know about magnets ... that is really useful and important for our body,but it's also magnetic, it gets attracted to the magnet.And that's come out of the cereal?

LOUISE: Oh, absolutely. Let's do it. CAYANA: Right. Magnet number one has attracted the paperclip from adistance of 0.5 centimetres. Magnet number two has measured 2.4centimetres and magnet number ...

You don't see too many objects made of pure iron but you do see lots of different things made of steel ... Of all the materials in the world, only metals can be magnetic. But some metals are magnetic ...