Multiple choice general knowledge math & puzzles If a raisin is dropped into a glass of champagne it will ..... in the glass. sink bloat float bounce Reveal answer Fill a bubble to check yourself D Correct answer Explanation When a raisin is dropped into champagne, the carbon dioxide bubbles in the liquid cling to the rough surface of the raisin, lifting it to the top. When the bubbles pop, it sinks again, creating a 'bouncing' effect.