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Where did you get the liquid nitrogen?
- 5P students
Washington School, Monticello, IL USA
There are businesses that make all sorts of gasses into liquids. A
machine similar to an air conditioner is used to cool air until it
becomes a liquid. Look at the question about making liquid nitrogen for
Liquid Oxygen is used in rockets, liquid Helium
and liquid Nitrogen are used in a variety of experiments. Liquid
Nitrogen as it expands can even be used to power cars!
someone needs a liquid, they can buy it from one of the places that
makes it. Because liquids that cold can be dangerous, we have to have
permission to buy it.
(republished on 07/25/06)
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