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View attachment 1237428 View attachment 1237429 @Rice Attached are pics of my "control" cubes. Both came from the same tray that was made last Friday. freezer is set to -3*F. I just cracked one open and stuck the knife in it to prove it is hollow. No liquid came out. What gives? Some weird liquid/gas/solid shenanigans? Polar vortex? Is my Samsung a portal to hell?

Hey cool, now we're into experimental mode. Did you simply poke a hole with the knife or break it all the way open? To make sure we don't have atmospheric pressure holding water in the bubble break one all the way open. That will give me time to make up some more science jargon BS.
 
Ahhh...so I should ask Batman? He's a scientist, right?

(Joke explanation: From the "Monorail" Simpsons episode, since most of my memory is filled with Simpsons crap)
Marge: Homer, there's a man here who thinks he can help you.

Homer: Batman?

Marge: No, he's a scientist.

Homer: Batman's a scientist.


You know, a town with money is a little like the mule with the spinning wheel. No one knows how he got it and danged if he knows how to use it.
 
I take a whiskey drink
I take a vodka drink
And when I have to pee
I use the kitchen sink


A fellow homer lover I see.... you most likely already know about this website but here it is anyway

Frinkiac

just type in the simpsons quote and it will give you the pictures to go with it

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My current view from the office... this guy is out there singing away like an Italian Opera singer.... I should have taken a video

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But this is one I can actually answer as it was a question in one of my science classes.

Answer is Oxygen(air) that was part of the solution comes out when the water starts to freeze, if the top layer of water has already iced over it gets trapped and stays in the ice cube


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@JohnVee , if the amount of air in the ice cubes really is that large (a surprise if it is) then there is a way to test it. In the name of science make some ice using water that was boiled first. That will drive out most of the dissolved air before freezing. To truly make it a controlled experiment fill half the tray with the boiled water and half with normal tap.

Be sure when preparing your report to put the hypothesis in the form of a statement and not a question. :flipoff2:
 
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Make him do the standard 3 panel fold out Science Fair project board...and grade him on it.
 
Make him do the standard 3 panel fold out Science Fair project board...and grade him on it.

You're a sick, sick man with a deep attraction to causing pain. Teacher in another life?
 
You're a sick, sick man with a deep attraction to causing pain. Teacher in another life?

I had to do more than my share of Science Fair projects in school, then had to "help" my daughter with hers all through school. Besides, I'm not causing pain, im doing Redistribution of Pain and Knowledge .....so JohnVee can feel the Bern....of SCIENCE
 
As if nobody saw this coming...



You're supposed to be collecting data young man.

Anyway, I went off and did a few calculations. Using "Henry's Law" I calculated the total volume of air that should come out of solution when the water is frozen and the air is extracted. Final result .... not even close to the size bubble you're getting.

That means some other mechanism is needed to get the bubble there. It can't be chemical so must be physical.

Plausible solution:

Because the freezer is so cold the top layer of water quickly freezes, leaving liquid water underneath. Because your ice trays are tapered the frozen layer of water is sliding up the tapered wall of the tray as it expands. This requires some volume of air to fill the void below which the underneath water finally encapsulates in a bubble.

How's that for Science BS?

johnvee.webp
 
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Thanks for not calling it "Syndrome". The doctors are already using that one.

johnvee.webp


Now, to figure out why the air inside my house feels different than the air outside... I've been working on some theories for that. Magic is top of the list so far. ;)
 

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