Oobleck Is it a solid or a liquid?!?

What to Expect

Oobleck is a mix between solid and liquid. Scientifically it is a non-Newtonian fluid. When a force is applied to non-Newtonian fluids the viscosity increases. Anyway, when you punch the Oobleck your hand doesn't sink, but when you put your hand in slowly it sinks. It is really cool.



  • You need a bowl
  • 9/8 cups of corn starch
  • 1/2 cup of water
  • Optional: Food coloring


  • First of all, you should go put the corn starch in the bowl
  • After that, you must put the water in the bowl with the corn starch
  • Then, you have to mix the two things in the bowl with your hands
  • This step is optional, but if you want to make it cooler then just add some food coloring
  • Finally, have fun with your Oobleck

RElevent Chemistry concept

What is a physical change? Well my little children, a physical change is a change that effects the state of the matter,not theĀ chemical composition. Oobleck is a physical change. Why? When you mix corn starch with water you don't change the chemical composition, no new substance is produced, it's just wet cornstarch.

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