How do you explain a volcano to a child?
A volcano is a landform (usually a mountain) where molten rock erupts through the surface of the planet. In simple terms a volcano is a mountain that opens downward to a pool of molten rock (magma) below the surface of the earth. It is a hole in the Earth from which molten rock and gas erupt.
What comes out from volcano?
When a volcano is active, materials come out of it. The materials include lava, steam, gaseous sulfur compounds, ash and broken rock pieces. When there is enough pressure, the volcano erupts. Some volcanic eruptions blow off the top of the volcano.
What is the smell of a volcano?
The gases include water vapor, carbon dioxide, sulfur dioxide, and hydrogen sulfide. Hydrogen sulfide is responsible for the rotten egg smell in the area. The yellow deposits on the rocks are sulfur crystals derived from the sulfurous gases.
What is volcano smoke called?
A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ground away from a volcano at average speeds of 100 km/h (62 mph) but is capable of reaching speeds up to 700 km/h (430 mph) …
Why are volcanoes dangerous to humans?
Volcanoes spew hot, dangerous gases, ash, lava, and rock that are powerfully destructive. The most common cause of death from a volcano is suffocation. Volcanic eruptions can result in additional threats to health, such as floods, mudslides, power outages, drinking water contamination, and wildfires.
What are the advantages of Volcano?
They helped cool off the earth removing heat from its interior. Volcanic emissions have produced the atmosphere and the water of the oceans. Volcanoes make islands and add to the continents. Volcanic deposits are also used as building materials.
What is the advantage and disadvantage of Volcano?
Advantages – Precious minerals; geothermal energy; fertile soil; tourism (jobs); beauty products; souvenirs. Disadvantages – Destruction during eruptions; magma/ash destroys everything; earthquakes; pollution; sea life; quarries.
What will happen if there is no volcano?
Without volcanoes, most of Earth’s water would still be trapped in the crust and mantle. Volcanoes may be devastating in the moment, but ultimately Earth’s life would not be the same, if it existed at all, without volcanoes.
Is there a volcano in Tennessee?
Mount Le Conte (or LeConte) is a mountain in Sevier County, Tennessee located in the Great Smoky Mountains National Park. At 6,593 ft (2,010 m) it is the third highest peak in the national park, behind Clingmans Dome (6,643 ft, 2,024 m) and Mount Guyot (6,621 ft, 2,018 m).
What is the closest volcano to Florida?
The Wakulla Volcano was the name given to a prominent column of smoke, sometimes accompanied by bright light, seen coming from deep in the swamps of Wakulla County, Florida, from at least the Spanish occupation of Florida through 1886.
Is Pilot Knob active volcano?
Although not active in scientific terms, Pilot Knob, a former volcano with frequent, violent eruptions that still exists and is completely accessible to the public for exploration. Pilot Knob is located 8 miles south of Austin, near the Austin-Bergstrom International Airport and McKinney Falls State Park.
Are there underground volcanoes in Texas?
Pilot Knob is one of around 75 late-Cretaceous Period volcanic complexes scattered around Central Texas from Waco to Austin, San Antonio, and Del Rio. All of these volcanoes have been extinct for millions of years. Several smaller bodies of trap rock occur in the volcanic ash.