soda fizziness

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I want to do a science fair project on the amount of time a 2 liter soda will stay fresh. Which one will stay fresh the longest before going flat. Is there an instrument that I can use to test the amount of fizziness left in a drink from day to day? Would that be the carbonation that keeps it fizzy? If so, does the carbonation evaporate each time the drink is opened. Please respond ASAP due to science fair coming up this month. Thanks

― Jana McWhorter, Thursday, 8 January 2004 04:47 (twenty-two years ago)

I did a science fair project describing the difference between chocolate milk and Yoo Hoo

― ModJ (ModJ), Thursday, 8 January 2004 05:01 (twenty-two years ago)

I'm afraid to know the difference.

― may pang (maypang), Thursday, 8 January 2004 05:09 (twenty-two years ago)

Instead of using a scientific tool to measure carbonization, why not measure it yourself and subjectively describe the fizzines levels using cute descriptions that you made up? That'll charm the pants off the judges and maybe even get you the Blue Ribbon!

― Aaron A., Thursday, 8 January 2004 05:09 (twenty-two years ago)

The resuslts were inconclusive.

― ModJ (ModJ), Thursday, 8 January 2004 05:13 (twenty-two years ago)

...and dot your "i's" with hearts.

― ModJ (ModJ), Thursday, 8 January 2004 05:13 (twenty-two years ago)

I just realized I still haven't read the original question.

― may pang (maypang), Thursday, 8 January 2004 05:16 (twenty-two years ago)

What happens is that carbonation is actually a by product of caramel, which is in all soft drinks. When you drink the drink, you drink it pretty fast and shake it up when you lift the cup so that a lot of by product comes out. But if you just let the cup sit there, the caramel coagulates on the bottom, because it is so much heavier than vinegar (the other by product), and then the water layer on top evaporates taking the bubbles with it. If you note, when you buy those plastic tins of "Blowing Bubbles" at the store, they float, much like carbonation bubbles. The carbonation bubbles, like Blowing Bubbles, float out on the evaporation of the water that lays on the vinegar. The other thing to keep in mind is that cups are made of plastic or glass, and that actually absorbs vinegar!! That's why they sell the soda in a can, because cans are made of phosphorescent minerals.

There's no "official" meter to test carbonation levels but the little known fact is that pregnancy tests can be used for this purpose.

I hope this helps! Let us know how you do.

― Allyzay, Thursday, 8 January 2004 05:23 (twenty-two years ago)

― ModJ (ModJ), Thursday, 8 January 2004 05:27 (twenty-two years ago)

― may pang (maypang), Thursday, 8 January 2004 05:27 (twenty-two years ago)

also, the high fructose corn syrup is added to give it just a little fizzy kick, too.

― Kingfishee (Kingfish), Thursday, 8 January 2004 05:36 (twenty-two years ago)

Dude why are you fucking my joke in the ass?

― Allyzay, Thursday, 8 January 2004 05:38 (twenty-two years ago)

We tried doing it the other way but it just wasn't tight enough.

― may pang (maypang), Thursday, 8 January 2004 05:40 (twenty-two years ago)

Well now she's never going to believe me and she'll never stick a First Response into a glass of Mountain Dew and her dad won't walk in on her doing this resulting in hilarious sitcom-like hijinks ushering in a glorious age of "Best Getting-Walked-In-On-During-Science Stories" and quite frankly I'm pretty goddamned disappointed with you people right now.

― Allyzay, Thursday, 8 January 2004 05:44 (twenty-two years ago)

I'll get over it.

― Allyzay, Thursday, 8 January 2004 05:46 (twenty-two years ago)

To be honest, I didn't even finish reading your post after the first line because I thought it was legitimate.

What happens is that carbonation is actually a by product of caramel, which is in all soft drinks.

That actually made complete sense to me at the time.

― may pang (maypang), Thursday, 8 January 2004 05:48 (twenty-two years ago)

It all makes sense to me too, which is probably why I was recommended to leave chemistry class.

― Allyzay, Thursday, 8 January 2004 05:51 (twenty-two years ago)

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