How to Mix Cornstarch and Water to Make Oobleck: Step-by-Step Guide
Learn how to mix cornstarch with water to create oobleck, a fun non-Newtonian fluid that behaves like both a solid and liquid.
Video transcript
Yes, mixing cornstarch with water creates a unique mixture known as a non-Newtonian fluid, often called oobleck. To make it, combine 1 part cornstarch with 1.5 to 2 parts water in a bowl and stir until the consistency is even. It will act like a solid under pressure but flow like a liquid when at rest. This is a fun and educational experiment that showcases interesting properties of materials. Enjoy exploring the science behind it!
Questions and answers
What happens when you mix cornstarch with water?
Mixing cornstarch with water creates oobleck, a non-Newtonian fluid that behaves like a solid under pressure and flows like a liquid when not pressured.
What is the correct ratio of cornstarch to water to make oobleck?
The recommended ratio is 1 part cornstarch to 1.5 to 2 parts water, stirred together until a smooth consistency is achieved.
Why does oobleck behave like both a solid and a liquid?
Oobleck is a non-Newtonian fluid, meaning its viscosity changes under stress; it acts solid when pressure is applied and flows like a liquid when at rest.
Is oobleck safe to play with?
Yes, oobleck is non-toxic and safe for educational play, but it should be disposed of properly to avoid clogging drains.
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