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What keeps bubbles and other things, like airplanes, floating or flying in the air?

Everybody loves bubbles, and this is the best bubble recipe ever!

In this physics activity, learners experiment with soap bubbles to see what variables affect their size. They explore how soap film and bubbles always seek the smallest surface area possible.

In this chemistry activity, learners explore chemical reactions and their effects, including the kind of reaction in the human body that makes people burp!