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Monday 8 April 2013

Ooh....is that Oobleck? Is it a solid? A liquid? Or neither?

Room 3 has been experimenting with solids and liquids. We made Oobleck!

When you don't put any pressure on it, the particles are free to move about and it acts like a liquid. When you add pressure to it like making it into a ball, the particles are forced together and it acts like a solid. A substance that acts both like a solid and a liquid. Who would have thought that cornflour and water could be so amazing!

Can you think of a good use for something that has these properties?
 





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