First, the Geyser Observation and Study Association's website provides numerous materials and images about geysers all over the world (1). Students and educators can find a helpful glossary and a fun, short quiz titled Guess the Geyser. Next, the USGS provides a concise explanation and fantastic image of a geyser (2). Visitors can discover where the leading geysers are found and how eruptions can occur. At the third website, J. Alan Glennon at the University of California, Santa Barbara educates users about the processes associated with the rare, cold water geysers (3). Visitors can view many amazing images of Crystal Geyser in Utah. The fourth website, also created by Alan Glennon furnishes an enlightening introduction to geysers (4). Users can learn how normal geysers work. Next, the National Park Service provides a real-time still image of Old Faithful. (5 ). If visitors don't want to wait for an eruption or are visiting the website at night, they can view archived images of Old Faithful. The sixth website, created by Caltech's Infrared Astronomy Center (IPAC), provides three normal and infrared images of geysers erupting (6). Through the images, visitors can learn about the geothermal processes of geysers. Next, Georgia State University supplies a simple experiment simulating a geyser eruption (7). The website features a short video illustrating the experiment for those who do not have access to liquid nitrogen or who would like to see how the experiment is conducted. Lastly, the artist, Harri Eliasson, supplies numerous fascinating images of two geysers in Iceland: Geysir and Strokkur (8). Interested users can also find amazing images of other aspects of Icelandic environment.
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