That's what I'm looking for in a kid's science experiment, and we found it this weekend with this little gem: celery drinking up red food coloring. I've seen this done many times before with carnations, but I didn't really want to buy carnations for this purpose. I thought a cheap ol' stalk of celery with its leaves still on might do the trick, and I think it worked wonderfully. If we repeat this experiment, we'll add the element of putting it in a measuring cup, so we can see exactly how much our thirstly celery was drinking. Hey, kids, try this at home!
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