metals

Is a gold medal really gold?

The story

There is no doubt that the gold medals for the London Olympic games are beautiful but how much gold is actually in them?

This is might well be the first of a few Olympic themed postings over the coming months. I wanted to come up with some ideas that were a bit different and unusual so this is my first offering: an  enquiry lesson to use when teaching metal properties or density or just as a way of practising maths and science skills. More

Beautiful physics

This video shows an interesting merge of physics and make-up which might just be the hook you need to get certain individuals in your class interested in science (you know who they are!). More