In today's session we took part in the Royal Society of Chemistry Global Experiment 2016 called Mission: Starlight. This year the focus is on UV protection. Watch the clip to find out more:
The beads used in this experiment change colour when exposed to UV light. Have a look at these "before" and "after" photos:
before after
We completed the following experiments:
What particle size produces the most effective suspension?
Can liquid coating block UV light?