Bubble, Bubble, Toil and … Slurp!

My new book, Awesome Kitchen Science Experiments, opens with an investigation in which kids compare two different methods for putting bubbles into lemonade. The experiment helps kids tell the difference between chemical and physical change – and at least one of the methods produces a delicious drink. I had a blast sharing this experiment at a summer teacher meeting. At first, my colleagues looked terrified of the bubbling, smoking brew – but after a few minutes, everyone dug into this delicious drink. If you want to try the experiment but aren’t sure how to find dry ice, do an Internet search for “dry ice near me.” Some CostCo stores carry it, and there’s a dry ice supplier in most metro areas.


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