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Fly a Hot-Air Balloon
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Learners assemble a hot-air balloon from tissue paper. The heated air (from a heat gun) inside the balloon is less dense than the surrounding air and causes the balloon to float.
Balloon Drive
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In this challenge, learners make a helium balloon hover in one spot and then move it through an obstacle course using air currents.
Balloon Rockets
Source Institutions
In this activity, learners will create a model rocket out of an inflated balloon attached to a straw on a taught string.