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In Ballooning, some inhabitants of Mammoth Island decide to explore the far side of a distant mountain ridge on a breezy spring day. Half way up the steep mountain trail, their trusty mammoth becomes afraid and winds up trapped on the mountainside. In order to save their hairy friend, Olive and Troy enlist the aid of the inventor to build a hot-air balloon. Their plan involves using the balloon to float back up the mountain, where they harness the mammoth and carry him safely back to the village. Part of the multivolume series The Way Things Work.
13 min 33 sec.
Bill Nye the Science Guy examines the topic of buoyancy in this episode of the Emmy Award-winning Disney Channel series, featuring an interactive question-and-answer format and hands-on activities. In this episode, Bill takes to the sky in a hot air balloon and goes scuba-diving in the Seattle Aquarium to explain why objects like boats, helium and balloons are buoyant.
21 min 13 sec.