What to Do With Rancid Crisco

Why, use it in a science experiment, of course.

That wouldn’t have been my first thought if I’d found it before this… but… no sense in wasting it.

Experiment it is!

Not the best smelling science experiment we’ve ever done, I tell you, but it did the trick. Plus, I didn’t feel so bad about throwing out that poor (nasty) ole’Crisco (that had been forgotten and pushed to the back of the cupboard), if I could get some use out of it.

After a couple of the big boys science experiments didn’t pan out 😦 , we tried one from Harrison’s book that was to illustrate how seals can survive in the very cold ocean waters.


Yes… we all have it. Some of us more than others. But FAT is what they need to keep warm.

We put Harrison’s hands in rubber gloves (and mine), then completely covered one of his hands in a thick layer of (rancid) Crisco. The rancid part is optional.

It really did smell bad. LOL!

Then the Crisco hand was put into a grocery bag (to keep the nasty smelling grease from getting on my pan or counter).

 Both of his hands were immersed into ice-cold water – with lots and lots of ice cubes – that had set for about 10 minutes.

The hand without the Crisco only lasted about 30 or 40 seconds before he had to take it out.

He said it was so cold it hurt!

After several minutes, I had to tell him it was time to clean up and remove his Crisco covered hand. And get this… it was WARM when we pulled off the glove & Crisco (right into the grocery bag – making for easy clean-up of that vile smelling stuff). His hand didn’t get cold at all. And the other one, that had been out of the cold for some minutes now, was still VERY cold!

So, the conclusion is… FAT is good!


Well… on a seal anyway.




1 Comment

Filed under Homeschooling

One response to “What to Do With Rancid Crisco

  1. Nagisa, Yuji and Kaoru

    Clever! In time of global warming, why am I getting fat around me tummy?
    Yeah, winter is ccming.. but I have been gaining this fat throughout the summer..yike! Your encounter with the cardinal is so cool!

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