Newsletter 18.07.17.compressed
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Woolston C of E Primary<br />
Gets a Feel for Science!<br />
As part of their Science Week, a class of Year 2 pupils from Woolston C of E Primary School visited King's<br />
for their very own tailor-made (or should that be technician-made?) science lesson on the theme of 'Change'.<br />
Mr. Barker led the session which allowed the pupils to watch some exciting demonstrations as well as take<br />
part in their own hands-on experiments. They learned how materials change when they mix together and can<br />
go from being solids and liquids to making a foam which shoots into the air due to the force of the reaction.<br />
They saw how skittles, when placed in water, will go colourless and cause the water around them to change<br />
to whatever colour the skittle was. The pupils then got messy as they made a substance with cornflour and<br />
water that has a rather unusual property: when you move it slowly it acts as a liquid but when it is moved<br />
quickly (or hit firmly with a hand!) it immediately acts like a solid and will not budge! This is called a non-<br />
Newtonian fluid though we decided not to tell this to the Year 2 pupils! Finally, the pupils saw how liquids can<br />
change colour and fizz when they mix because they form something completely new!<br />
We received very positive feedback from the school who told us that the pupils 'had a great time... the lesson<br />
was perfectly pitched and I know the children got a lot from the session.' It's always good to make links with<br />
the schools around us and the science department was very pleased to be able to enhance the learning experience<br />
the pupils gained from studying science in their own school Science Week!<br />
Interested in making your own non-Newtonian fluid at home?<br />
If you want to copy what the pupils made then you can safely and easily do this by pouring 100ml of water<br />
into a bowl or foil baking tray and then sprinkling in 120g of cornflour whilst mixing all the time with your fingers.<br />
The mixture will get firmer until you find you have made a non-Newtonian fluid! Tipping up the tray with<br />
cause the mixture to slowly run out but, if you firmly and quickly slap it with the palm of your hand, it will instantly<br />
act like a solid and remain exactly where it is for a few seconds! Enjoy!
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