Raisins sink in water because they are denser. However, the carbon dioxide molecules found in soda float to the top because they want to escape from the liquid. These CO2 molecules (seen as bubles) attatch to the raisins pulling them up to the surface as well. When the CO2 bubles reach the surface, they pop and the raisins begin to sink again.
the raisins will swell up as the process of osmosis will take place. the water will move inside through the semipermeable membrane.
tie it to a stone
it will sink why the heck would it float
Yes, raisins do float in water.
Pencil
Yes, the raisin will sink into a glass of champagne, but not for long ... the bubbles from the champagne will inflate the dried raisin and it will float up to the surface.
It will raise then sink again and continuously do it
CO2 bubbles cling to the raisin, making it buoyant until it reaches the surface of the carbonated water, whereupon all the CO2 bubbles are shaken off the raisin, making it sink again. The cycle will repeat as long as there remains carbonation in the water.
The raisins will raise to the surface of the 7-up because of the bubbles in the drink. When it reaches the surface, the bubble will pop and the raisin will sink. Eventually, all the bubbles from the drink cause the raisin to repeat the cycle and it is considered "dancing raisins".
Sink to the bottom and cause the bubbles to rise. Nothing magical, sometimes you will have it sink then rise again due to a bubble getting trapped in the wrinkles of the raisin. It will make the champagne go flat faster.
Raisin is a common noun.
Raisins dance because when you put a raisin in a lemonade with a small cup of vinegar there are bubbles gonna come up to attach to the raisins then at the top bubbles pop.
Yes raisin is purple.
Rum and raisin.
It was as wrinkly as a raisin. It was so small it looked like a raisin etc :D
You cannot grow a raisin. A raisin is a dried/shriveled up grape.
The raisins are actually denser than the soda, making them sink, but the carbon dioxide (CO2) bubbles in a fizzy drink are drawn to the surface of a raisin. When enough bubbles have coagulated, it raises the raisin higher because of the increased buoyancy, allowing it to float to the surface. Once the raisin reaches the surface, the bubbles pop and the carbon dioxide is released into the air, thus giving the raisin a "dancing" motion. The released carbon dioxide causes the raisin to sink again so it can collect more bubbles. The bubbles act as a life vest that vanishes when it reaches the surface. The rising and falling of the raisins stops when most of the carbon dioxide has escaped from the soda. Sometimes, the raisin absorbs too much water and it sinks to the bottom. This experiment also works with baking soda and vinegar. Vinegar has acetic acid, which reacts with the baking soda, which is a base. The compounds for baking soda and vinegar (acetic acid) are NaHCO3+CH3COOH. This "dancing" movement also works with many different objects, such as macaroni or corn. For more information, visit Steve Spangler's "The Bubble Lifter".