It's about 13°F out there on my balcony right now. I was tempted to replicate a cold-weather experiment I did a couple of years ago. I filled an empty CO2 cartridge from one of my pellet guns with de-aerated water and set it out to freeze.
As the water approached the freezing point, of course it expands (which is why ice floats) and starts slowly squooshing out of the hole in the CO2 cartridge into the open air and then freezes.
As this keeps happening, a long curley-cue of ice forms and over several dozen tries, I got quite long ice curley-cues. These are only two pics of many showing the effect.
Isn't science wonderful?
I don't have the capability, but I wouldn't mind seeing a stop-motion video of the effect. Might be a good Science Fair project for a young one. (Making a film of it. AFAIK, Science Fair stuff does not take place in freezing environments.)
Other containers may be used, of course.
Terry, 230RN
These were done at 22°F a couple of years ago. The blob at the beginning of the curl is quite characteristic.