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Hot Springs and Geysers: Natural Science

Hot Springs and Geysers

What are Hot Springs and Geysers?

 

A hot spring is a spring that is produced when geothermally heated groundwater emerges from the Earth's crust. Some hot springs have waters that are cool enough for bathing, but in volcanic areas water may come into contact with rock that has been heated by magma. These hot springs sometimes produce water that is hot enough to kill animals that enter them. In non-volcanic areas, water can still be heated geothermally because the temperature of rocks within the Earth increases with depth, and if water percolates deeply enough into the crust, it can gain heat from these rocks and then flow to the surface. 

A geyser is a rare geothermal feature. When a large amount of groundwater that is trapped in underground cavities in a volcanic area is heated by the presence of magma and magma heated rocks, the extreme heat turns the water into steam very quickly. This causes sudden and immense pressure, which forces huge quantities of water up out of the ground, producing stunning sprays of water shooting up to hundreds of feet into the air. This type of eruption can happen regularly or in cycles. Continue reading from The National Parks Service

Watch a Video About Hot Springs and Geysers

Books About Hot Springs and Geysers

 

People have been visiting hot springs and enjoying watching geysers erupt for centuries. United States citizens looking to see hot springs and geysers for themselves need look no further than Yellowstone National Park. Yellowstone is one of the most famous areas of hot springs and geysers in the world, boasting more than half the known geysers on the planet. Continue reading from The Encyclopedia Britannica

Link to Yellowstone by Tracy Read in Hoopla
Link to Geyser Basins Of Yellowstone by Dr. N. Genean Dunn & Thomas D. Dunn
Link to Visiting Geyserland by Janet Chapple in Freading
Link to Hot Springs National Park by Mary Bell Hill in Hoopla
Link to Yellowstone Treasures by Janet Chapple in Hoopla

Link to Discover the Natural World Resource Guide Series