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Amazing Volcano Video Clips for Kids

 


                                          Amazing Volcano Facts

A volcano can be defined as an opening in the surface of earth. The name volcano has been derived from the name of the Roman god of fire ‘Vulcan’. Volcanoes are also found on the ocean floor and under icecaps. They open downwards to a pool of molten rock below the earth’s surface. An eruption occurs whenever the pressure builds. Then gases and rocks shoot up through the vent and spill over lava fragments. These eruptions can send ash high into the air, more than 30 km above the earth’s surface. There are three major types of volcanoes: – Active, Dormant and Extinct.

Quick Facts: –

  • Antarctica’s Mount Erebus is the southernmost active volcano on the planet.
  • There are about 1,500 potential active volcanoes worldwide. This figure does not count the volcanoes on the ocean floor.
  • Pumice is a unique volcanic rock that can easily float in water. It is generally used as an abrasive.
  • Volcanoes are generally located at places where tectonic plates meet.
  • Io, one of Jupiter’s moons is the object with most volcanic activities in our solar system.
  • A lava fragment that is rounded as it flies through the air is known as a volcanic bomb.
  • On the basis of their shape volcanoes are of four different types: – Composite, Shield, Cinder cone and Lava domes.
  • Cinder cone is the simplest type of volcano that forms as gas-charged lava is thrown into the air.
  • Some volcanoes can take thousands of years to form whereas some can grow overnight.
 

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