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UV radiation practical uses seminar
Hello kids , and welcome to our weekly science seminar and today we will discuss ultraviolet radiation .
That's right today we will discuss UV radiation and it's practical uses .
UV radiation can help in identifying counterfeit money.
It helps identify real money by revealing its invisible fluorescent phosphor.
UV radiation can also help in removing bacteria, viruses and fungi.
The radiation causes the bacteria to stop reproducing which in turn stops it from growing any further.
UV radiation from the sun also gives us Vitamin D which is for teeth and bone development.
Vitamin D can also give us a tan but too much exposure can be bad so limit it.
Well that's all kids I hope you learned something new today
Thank you !
You can now all leave and I hope you all join again for next week
I definitely want to attend next week. What about you guys?
Yeah I definitely want to
Yeah me too ,what about you three?
Count us in!