Demo Proj 0809- Liquid Nitrogen Ice Cream
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Uploaded by mrericsully on Feb 11, 2009
In the 2007-2008 school year I created a quarter project for my chemistry students where they had to research and present a chemical demonstration. I did this for several reasons: first it got me both a lab-type and partner opportunity in one project, next it gave the students and me a chance to see some demonstrations that don't really fit into the curriculum, and finally I wanted them to better appreciate the work that I personally put into doing my demonstrations. Overall the project was a success and we all enjoyed the new demonstrations. The project has been slightly modified, but has become a permanent part of my curriculum (these videos are from the 08-09 school year).
In these videos I've tried my best to film the performance of the demonstration. The explanation of it was given by the students to their peers in a lecture format as a part of the project, but has not been filmed. I will do my best to explain briefly how the demonstration works, but feel free to ask questions.
In this demonstration two students make creamy ice cream with liquid nitrogen.
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Uploader Comments (mrericsully)
All Comments (4)
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a dude keeps saying "just use 2 cups, everybody loves sugar" LOL
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I want some XD
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is it safe for us to eat ?
PrincessMisch 1 year ago
@PrincessMisch You have to wait until all of the liquid nitrogen has boiled off and it is better to let it warm up a little, but otherwise yes. We ate this batch after the video was filmed. I've had students preform this demonstration three years in a row now and we've consumed it every time (the two years that strawberries were added they were almost too hard/frozen to bite comfortably).
"Brain freeze" is a little bigger issue with this method.
As a side note, Dippin' Dots are made using LN2.
mrericsully 1 year ago 2