A truly innovative method to demonstrate micro-organisms at work (QCA Unit 6B). Simply follow a 3 step process to use the gel to its best effect. 1. Ask the student to rub the gel on their hands. 2. The students wash and dry their hands as normal. 3. When placed under a UV lamp any areas not washed properly will show up - as if by magic!
Alternatively begin the lesson by dowsing your own hands in gel at the beginning of a lesson and greeting every single child by a hand shake. This is a great way to show how germs can be passed between people, this 50 ml bottle that will go round a whole class once.
11 Oct 2013
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