Educational Resources

Educational Resource

Gooey Gak

Complex fluids are special kinds of mixtures that have characteristics of more than one phase of matter. In this video, the combination of cornstarch and water resulted in a substance that exhibited the properties of a solid and a liquid depending on the amount of pressure or force applied to it. These types of fluids that don’t behave like what we think of as “normal” fluids are called non-Newtonian fluids. Many non-Newtonian fluids are made of polymers, long chains of repeating molecules that give the fluid unusual physical properties such as flexibility and strength.

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