Tuesday, 12 May 2015

Marble racing to determine a liquid's viscosity

To determine the viscosity of various liquids: milk, lemonade, orange juice, vegetable oil, washing up liquid, shower gel and tomato ketchup we measured the time it took for a marble to reach the bottom of a filled cylinder.

To everyone’s surprise, when dropped into the ketchup, the marble simply sat on the surface! We have decided to leave this over the long weekend so see if there is any change on Monday....................

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