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Lobby > Exhibits > Why Geysers Erupt > Geyser Ingredients > Water > Pressure Cooker

Water

PRESSURE COOKER

If it rises quickly and has the right kind of plumbing system, this superheated water can flash to steam and become a geyser. More commonly, as the hot water rises, it steadily loses heat and breaks surface as a hot spring. See Hot Water Treasures for a closer look at geysers, hot springs, mud pots and steam vents.

drawing showing water under pressure flashing to steam and erupting through a geyser's vent

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