Nothing better on a gloomy than doing a  fun science sensory acivity that you and your kids will both like. It's a make and play experiment. It only took a few minutes to make and we spent about an hour playing with. I wanted to share it because we had a lot of fun with it at our house. Have you heard of Oobleck before? It's pretty fascinating stuff.

Oobleck is a non-newtonian fluid. That is, it acts like a liquid when being poured, but like a solid when a force is acting on it. You can grab it and then it will ooze out of your hands.

Oobleck is a classic science experiment. It's pretty messy because your hands will be covered in it, but couldn't believe how easy it was to clean up with just warm water and a rag.

The first time I touched Oobleck was at my son's ECFE class in Sartell, and I remember it running down my hands then stopping. I had never seen anything like it before. It feels a little bit like chalk. It has an odd consistancy. I highly reccomend making this.

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Here is what you need: 

  • Corn Starch
  • Water
  • Food Coloring (optional)

How to Make Oobleck:

Mix one part water and two parts corn starch (For instance, 1/4 cup water and 1/2 cup corn starch). Add food coloring to the water to make it different colors. ( We added a little more water to ours)

Then it's time to play and have fun.

Our Results:

Here is a clean up hint:

Let the Oobleck dry completely. Once dry it will come out of the container in big chunks making it much easier for clean up.

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