According to the source I found, "A raisin dropped in a glass of fresh champagne will bounce up and down continually from the bottom of the glass to the top. This is because the carbonation in the drink gets pockets of air stuck in the wrinkles of the raisin, which is light enough to be raised by this air. When it reaches the surface of the champagne, the bubbles pop, and the raisin sinks back to the bottom, starting the cycle over."
It will raise then sink again and continuously do it
The two most popular shapes for champagne glasses are flute and tulip. There is also the champagne cocktail glass which is wide ans shallow, more like a martini glass.
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.
The number of ounces that a champagne glass holds is about 4 oz. when it completely full. However, most people will not fill it to the brim and this means it holds about 3 oz.
The traditional champagne glass was modeled after Marie Antoinette's breast.
There are 5 oz in a glass of champagne.
A flute.
A tulip
Sailor
All champagne glasses should be held by the stem.
Veuillez mai j'ai un verre de champagne