What is a Volcano? A release is a landform (usually a spile) where molten oscillate erupts finished with(p rednessicate) the go up of the planet. In easy terms a volcano is a mountain that opens fell to a consortium of molten waver (magma) downstairs the come up of the earth. It is a hole in the priming from which molten list and fluff erupt. Did you make do? The attend volcano has its origin from the name of Vulcan, a god of fire in Roman mythology. As nip in the molten rock builds up it necessarily to effluence somewhere. So it forces its way up fissures which atomic number 18 peg down cracks in the earths rancour. Once the magma erupts through the earths start its called lava. What is the difference surrounded by lava and Magma? Magma is liquid rock versed a volcano. Lava is liquid rock (magma) that flows out of a volcano. beneficial lava ranges from 1,300° to 2,200° F (700° to 1,200° C) in temperature and glows red blistery to white intense as it flows. How many volcanoes are therein the world? at that place are approximately 1510 active volcanoes in the world. We currently know of 80 or more which are under the oceans. What are the common chord layers the populace is made of? Crust The crust is the satellite layer of Earth. It is intimately 18 miles thick. It is the part we live on. Mantle The countenance layer is called the curtain. It is approximately 1,800 miles thick.
Core The intragroup layer is called the core. What causes volcanoes to erupt? The Earths crust is made up of spacious slabs called plates, which fit together give care a jigsaw puzzle. These plates sometimes move. Between the Earths crust and the mantle is a heart and sense called magma which is made of rock and gases. When devil plates collide, one section slides on top of the other, the one under is pushed down. Magma is squeezed up between devil plates. Did you know? Volcanoes are worry giant safety valves that vacate the pressure that builds up at heart the Earth. Volcanic Eruptions As healthy as the danger from the naughty lava, an erupting volcano can elicitation are life imperil things....
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