CAUTION: Antifreeze is a very powerful chemical that, if ingested, can cause serious illness or death. Do not attempt to use it without adult supervision. All appropriate safety precautions have been taken for the filming of this video.
If you are from a colder part of the world, then you know how important antifreeze is. It is mainly used for pipes in homes and cars. But it no longer becomes useful if it itself freezes. Can that happen?
Antifreeze is a substance that lowers the freezing point of water, protecting a system from the ill effects of ice formation. The purpose of antifreeze is to prevent a rigid enclosure from bursting due to expansion when water freezes. Water usually freezes at about 0˚C or 32˚F, but when antifreeze is added to it that changes to being able to freeze at about -50˚F.
Knowing this, we wanted to see the affects if we poured some into liquid nitrogen and pour liquid nitrogen into antifreeze.
anitfreeze 1
It turns out that it freezes, but in a weird way. It actually takes a long time for the antifreeze to freeze. The -321˚F liquid nitrogen does the trick, but will take more than a minute to freeze it all the way through, compared to water which takes a few seconds. The solid antifreeze is not uniform, and does not look like the liquid. It is opaque compared to the clearish liquid, and almost cloud like in shape!
Written By: Mimi Garai

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