Oobleck

OK, another week went by without me electronically scribbling down something that the kids have done, so I’ve got some catching up to do.

Let’s start with this weekend’s science fun.  While working with the kids on their Friday afternoon science lesson (which is a euphemistic way of saying “While the kids and I were watching reruns of Mythbusters while I ranted and raved about all the stupid science mistakes they make on the show”), we saw somebody run across water.  But it wasn’t exactly water.  It was a little creation with the nickname “oobleck” (after a sticky substance in the Dr Seuss book “Bartholomew and the Oobleck).  Oobleck is made by mixing corn starch and water at just the right proportions.  The result is something that acts both like a solid and a liquid.

I could bore you with phrases like “shear rate” and “non-Newtonian fluid,” but let’s just move on.

The kids were fascinated, so I told them we could make some of our own oobleck.  Saturday morning, we pulled out the corn starch and started mixing.

You can just see the excitement on their faces

Add a little food coloring for extra staining capabilities

The end result?

Of course, the kids seemed to lose interest when we started discussing the science of cleaning up.

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3 Comments on “Oobleck”

  1. IAmNana Says:

    Oobleck……wasn’t that Mrs. Conehead’s first name……?

  2. miss V. Says:

    What fun !!! the phrases wouldn’t be boring, just incomprehensible for those of us who went no further than Microbiology in college.

  3. quotation marks Says:

    Boy am I glad that you majored in engineering…..you know all kinds of neat stuff with which you can dazzle J and A. Now let me know when they want to shoot a gun. Then there’s the crossbow….but you’ll have to ask your neighbor about that. I’ll ask you sometime to bore me with the phrases you cited, but I probably wouldn’t understand anyway. It was all I could do this week to replace a mailbox… those blankety, blank holes that didn’t match.


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