The Geysers of Yellowstone Flashcards
When tourists visit Yellowstone, they are standing on what?
On top of an active volcano
Yellowstone National Park is larger than what TWO states combined?
Larger than Delaware and Rhode Island combined
Most of Yellowstone Park resides in what U.S. state?
Wyoming
Yellowstone is the only place in the lower 48 states where wild BISON have lived for how long?
Since prehistoric times
Pronghorn antelope in Yellowstone park can run up to what speeds?
60 mph
Approximately how many Grizzly Bears live within the park?
About 3 to 600
Yellowstone is home to more than HOW MANY of the World’s geysers?
213 (largest population)
“On a yearly basis” how many earthquakes occur within Yellowstone?
Thousands
Yellowstone is thought to rest on top of what is one of the largest WHAT in the world?
Magma Chambers
Where does the water come from for most of the park’s hot springs, mud pots, and geysers?
The water comes from rain and snow melt
Geyser is an Islandic word that means WHAT?
roarer
The journey for water to erupt from a geyser may have taken how many years to emerge?
500 years
How often does Old Faithful geyser erupt?
every 60-90 minutes
In the southwest part of the park, how many geysers are there?
200 geysers
And what is “continuously being created” here?
new geysers
What smell emanates from many geysers?
sulfur
Great Fountain Geyser, one of the most powerful geysers in the world, can have “GRAND ERUPTIONS” a few times a year that shoot water how high?
Up to 100 feet high
Grand- 200 ft
What is the world’s largest geyser?
Steamboat geyser
And how high can it send water and minerals into the air?
up to 400 feet into the air
And describe its eruption frequency?
it is unpredictable, 4 days apart or 4 years apart
What is the “hottest” area in the park?
Noris geyser bason
In 2003, the ground temperature here quickly rose to what temp?
194 degrees (a thermal disturbance)
And the ground today is still above what temperature?
still above 160 degrees Farenheit
The highest documented underground temperature (some 900 feet down) here was how hot?
980 feet at 453 degrees Farenheit
At Terrace Mountain hot springs, limestone accumulates here, in places, up to how much daily?
2 times every day
And how long has it taken for this formation to form?
8,000 years
Grand Prismatic Spring ranks how large (among hot springs) in the world?
3rd largest in the world
And what creates the rainbow of colors in its water?
living microbes in the water
