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St Francis de SalesCatholic Junior School

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09/07/2018: Science Forensics Day

Science Forensics Day!

 

Today, our children were able to become forensic scientists for the day and learnt all about the technique called ‘Dactyloscopy’. We started off the day discussing what DNA is and the different ways to collect DNA samples. Each child was given the correct materials (gloves, cotton buds swabs, bags to conceal it and labels with names on) to successfully extract DNA. As the children eagerly took DNA samples from their partners, they were able to focus on their communication skills to enable a correct sample was taken.

 

During the second half of the session, the children investigated finger prints in more detail and how when we touch anything, we leave prints because of the oils on our hands. The children were fascinated of how no two fingerprints are the same although there are similarities through heritage and there is a 1 in 64 billion chance of meeting someone with the same prints.  

 

Each child successfully took their own fingerprints and could identify whether their prints were arch, whorl, single loop or double loop. A fantastic science day all round!

DNA Sampling in Action!

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