Too Hot to Handle
Sizzling Sites
Introduction
The Heat Beneath Your Feet
Gushing Geysers
Right on Time
Forest of Stone
Ready to Rumble
Bubbling Mud
Fuming Fumaroles
100
Caldera
What is the super volcano underneath Yellowstone called?
100
A pool of hot water.
What is a geyser?
100
With a slow drip the water gets hotter and hotter and turns to steam.
How does a geyser start?
100
A petrified forest.
What is a forrest that has turned to stone called?
100
A mud pot.
What smells bad like a rotten egg?
200
The ash flew into the sky and blacked out the sun
What happened the last time the Yellowstone caldera erupted?
200
In the United States.
Where is the largest super volcano located?
200
Steamboat Geyser
What is the largest geyser in Yellowstone called?
200
Ash buried it.
What buried the whole forest in long ago eruptions?
200
The smell comes from the gas in magma, and acids.
What makes a mud pot smell bad?
300
The ground collapsed.
What happened to the ground when the caldera last erupted?
300
The mantle
What lies beneath the Earth's crust?
300
Each geyser has its own schedule. It follows a pattern that depends on the water trapped underground and the time it takes to become steam.
How can we predict when a geyser erupts?
300
Luckily for us the super volcano isn't quite ready to erupt.
Why are we lucky?
300
The land is changed because few plants can stand the heat.
How do fumaroles change the land?
400
Ash covered the western half of the United States.
What was the after effects of the eruption of the caldera?
400
The Earth's crust.
What did this super volcano change after it erupted?
400
Riverside Geyser in Yellowstone Park.
Which geyser erupts every 6 or 7 hours?
400
Heat and minerals from melted rock slowly turned the trees into stone.
What process transformed the trees?
400
30
How many super volcanoes are active on Earth?
500
The water in a hot spring starts as cool rain or melted snow. It runs into cracks in the ground. The trip may take hundreds or even thousands of years. Eventually, the water reaches the magma chamber and rises back to the surface to form a hot spring.
How does a hot spring form and how how long does it take?
500
It is hidden under the ground in Yellowstone National Park.
Why can't we see the United State's super volcano?
500
Until all the water that the steam pushed upward is gone.
How long will a geyser erupt?
500
Hot springs slowly simmering. Geysers quickly spraying. Mud pots constantly popping. Fumaroles suddenly hissing.
What things did we see and read about on the tour of Yellowstone National Park?
500
Acid breaks down rock and turns it into clay, then mud.
How does a mud pot form?
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