Latex Helium Balloons: Any Alternatives?
Young scholars discuss the latex balloon release controversy and review suggested alternatives to the latex balloon.
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The Mathematics of Convection: Nature's Model for Energy Production
High schoolers conduct a series of experiments to investigate density, buoyancy and climate. In this math lesson, pupils design and build a hot air balloon to demonstrate convection. They research and write a paper about solar chimneys.
9th - 12th Math