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More ways to get Braingle...

Tally-Ho

Science brain teasers require understanding of the physical or biological world and the laws that govern it.

 

Puzzle ID:#11015
Fun:*** (2.69)
Difficulty:** (1.75)
Category:Science
Submitted By:tissueAus****!
Corrected By:4demo

 

 

 



I was drinking champagne at a party, when someone came over and spilled a raisin into my almost full 20 ounce glass. It was shaped like a regular glass, though much larger. Two friends, who always quarreled, came up. The first one said that the raisin will sink, while the second said that the raisin will float. Who was right? The glass is still upright, and is flat on a table. It is also level.




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Comments

inudbzAus
Mar 16, 2003

oh
ShadowOfAnother
Mar 16, 2003

"
jizzyhuggs*
Mar 16, 2003

This also works with ginger ale, and coke.
jimbo*au*
Mar 17, 2003

Any fruit in my champagne quickly sinks to the pit of my stomach. Good teaser!
na-iem
Mar 18, 2003

I think you should explain your answer, especially as this is the science section.
OD-1Aca*
Mar 19, 2003

I THOUGHT YOU WHERE GOING TO ASK;HOW LONG UNTIL THE RAISIN GETS INTOXICATED AND STARTS TO SING LIKE THE CALIFORNIA RAISINS.OH WELL GOOD ONE
rckergrl87*us*
Mar 26, 2003

go science woowoo
iloveh20melon
Mar 27, 2003

i remember doing that experiment in kindergarden. it's fun!
snaps*au*
Apr 02, 2003

Hey tish, are you old enough to be drinking champagne?
Deucex2**
Apr 03, 2003

The reason it works is that the raisin has all sorts of little microscopic pits in it that can harbor tiny bubbles. As these bubbles get larger, eventually they get big enough and numerous enough that the bubbles lift the raisin to the surface. Once at the top, the bubbles pop and the raisin sinks, starting the process all over again. This also works quite well with one of those plastic push-pins.
sweetime**
Jul 24, 2005

i did the same experiment when i was in primary school, but we used sultanas and bicarb soda
vbguy101*us*
Aug 23, 2006

The raisin WOULD sink, if it were not for those bubbles. Then it'd float, but at the top, the bubbles pop, and it sinks again.



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