Oobleck is considered to be a non-Newtonian fluid. The substance gets more or less viscous(thicker or thinner) depending on the pressure. It is considered to be a non-Newtonian fluidbecause it does follow the Netwons’ Law of Viscosity. Shampoo is an example of such fluid.When the mixture is squeezed, it hardens. When hand is released, the oobleck becomes liquid.