I have a smart husband. He's in a class that he needs to do a presentation on a science experiement. He came up with this experiment - rate of fermentation. He used a pureed apple, apple juice, green-apple soda, and apple cider vinegar. He added yeast to each and measured the amount of water displaced by carbon dioxide - the product of fermentation. And it worked! I was just amamzed - and you guessed it did a scrapbook page on it! Here's a picture of the set up. You can see the different water levels of the green and blue bottles. I think his presentation will be pretty neat!
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