Awesome Bubble Activity For The Colder Weather!
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Have you done the one where you boil water and then toss it in the air to make instant snow?
The kids have been loving it! We boiled water in a big pot and tossed it in the air....instant snow...and all the kids ducking because they think they are going to get wet ::
Here is a good video that shows you what happens. It's older and from a science experiment someone did but cool nonetheless.
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Have you done the one where you boil water and then toss it in the air to make instant snow?
The kids have been loving it! We boiled water in a big pot and tossed it in the air....instant snow...and all the kids ducking because they think they are going to get wet ::
Here is a good video that shows you what happens. It's older and from a science experiment someone did but cool nonetheless.
http://www.youtube.com/watch?v=PQEVcCv_xkQ- Flag
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I have never gotten the boiling water/instant snow to work. I might try again on Monday.
KellyHomeschooling Mama to:
lovethis
dd12
ds 10
dd 8- Flag
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I tried it last year and it did not work. It was not cold enough. Last week it was 3 when I woke up so I ran down and tried it.. It worked but not as fast as this says. You have to catch the bubble on the wand and then it takes about a minute to freeze. We will have a record freeze Monday maybe they will freeze in the air if it is 10 below?It:: will wait
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I think it has to do with the temp difference between air temp and he temp of the boiling water.
Be sure to use hot water. Hot water evaporates more quickly than cold water; that quicker cooling effect makes the ice shell form more quickly at the surface of each drop…. the hotter the water, the faster the water molecules at the surface of a droplet evaporate. That creates an enhanced cooling effect on the surface of the droplet, which makes it freeze more quickly.
Something about viscosity.... I have NO idea how to explain that... (http://www.science.uwaterloo.ca/~cch...23/liquid.html)- Flag
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Obviously the temp outside matters but I don't think it HAS to be -30+...kwim?
I think it has to do with the temp difference between air temp and he temp of the boiling water.
Be sure to use hot water. Hot water evaporates more quickly than cold water; that quicker cooling effect makes the ice shell form more quickly at the surface of each drop…. the hotter the water, the faster the water molecules at the surface of a droplet evaporate. That creates an enhanced cooling effect on the surface of the droplet, which makes it freeze more quickly.
Something about viscosity.... I have NO idea how to explain that... (http://www.science.uwaterloo.ca/~cch...23/liquid.html)
Boiling water has reached the point that the water molecules are moving as fast as they can and still be water, and there is more space between the molecules in boiling water (it is miniscule, but still there.)- Flag
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So I wonder how cold it has to be for the bubble activity to work. The blog posted by the OP says it was 16 F, but I wonder how well it would work at that temperature.- Flag
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