Oobleck Non-Newtonian liquid experiment

Ingredients
• 2 Cups Cornstarch
• 1 Cup Water
• Food coloring (optional)

 

Instructions
• Step One – Pour 2 cups cornstarch into a bowl
• Step Two – Add 1 cup of water and stir to combine
• Step Three – If adding food coloring to your Oobleck do it at the mixing stage

 

What is the consistency you are looking for?
If you’ve never made Oobleck before one of the hardest things to figure out is just what you are looking for in terms of consistency. I use this as my guideline: When mixed you should be able to press a handful of Oobleck into a ball in your hand; when you release the pressure the ball should “melt” back into a liquid. (It should NOT splash when you put your hand into it.)

 

Troubleshooting
• If your Oobleck is too watery, add a couple tablespoons of cornstarch and mix.
If you’re Oobleck is too flaky or solid, add a couple tablespoons of water and mix.

 

Oobleck gets its name from the Dr. Seuss book Bartholomew and the Oobleck where a gooey green substance, Oobleck, fell from the sky and wreaked havoc in the kingdom.

 

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.

 

I highly recommend to do this outside or put down a painter plastic sheet down under you. When finished put in trash can. Do NOT pour into the sink as you will have to call a plumber.

 

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