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Not Right For WatchKnowLearn
Ages: 8 - 14
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From Dragonfly TV. Phoebe and Shannon love exploring Yellowstone National Park. There are so many cool things to see: the canyon, waterfalls, wildlife, lakes, hot springs, and geysers! The girls went to Canyon Visitor Center to learn more about these... features-especially the thermal basins, places where there are lots of geysers or hot springs. The park sits on a really big hot spot, made up of magma that rises from deep in the earth. All this magma heats up the ground water in the area and creates thermal features including geysers, hot springs, fumaroles, and mud pots. Geysers are thermal features that have narrow space in their plumbing. Steam forces water through this opening and boom, the geyser erupts! The girls investigate the following question: Why doesn't every thermal basin have a geyser?
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August 31, 2010 at 07:17 PM
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