![]() ![]() This phenomenon is called “shear thickening” and it occurs in materials made up of microscopic solid particles suspended in a fluid. More molecules equals more friction, which equals slower flow.īut not in non-Newtonian Fluids like Oobleck! Oobleck behaves like play dough and becomes quite solid under pressure, but release that pressure and it becomes a liquid and flows. That change in flow is caused by friction between molecules. Even a child can tell you that a thick mud or syrup will flow slower than clean water. This behaviour was described by Sir Issac Newton in his Law of Viscosity. When pressure is applied it becomes solid, and when pressure is released it turns liquid.įluids normally behave in a predictable pattern. Oobleck is fascinating because it doesn’t have a consistent state of matter. You can see a comparison of the Oobleck recipes here. We have made it using Cornstarch, Tapioca, Potatoes, Arrowroot and even Baby Powder. Oobleck is a non-Newtonian Fluid that can be created using items from the kitchen.
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