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A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava .... Some volcanoes have rugged peaks formed by lava domes rather than a summit crater while other...

How do volcanoes form? - CSUN


When a large body of magma has formed, it rises thorugh the denser rock layers toward Earth's surface. Magma that has reached the surface is called lava.

How Do Volcanoes Form? - Family on Bikes


Most volcanoes are formed by the movement of tectonic plates on the surface of the earth. These plates are basically huge pieces of rock that 'float' on the ...

www.ask.com/youtube?q=How Are Volcanoes Formed?&v=6Z4as_imJfM
Jun 22, 2011 ... How Volcanoes Form .... wait,how is it formed?. Read more. Show less .... What Would Happen if a Super Volcanic Eruption Happens Again ?

Volcano Formation - Windows to the Universe


Apr 29, 2016 ... Volcanoes form when hot material from below risesand leaks into the crust. This hot material, called magma, comes either from a melt of ...

What causes Volcanoes? - Geoscience Australia


As the plate overlying the plume moves away from the hot spot and a new volcano is formed, the previous one cools to become dormant and eventually extinct.

Volcano Formation - How Volcanoes Work | HowStuffWorks


Magma can also push up under the middle of a lithosphere plate, though this is much less common than magma production around plate boundaries.

Facts about Volcanoes for Kids - Primary Homework Help


How are Mountains formed? ... A volcano is a landform (usually a mountain) where molten rock erupts through ... How many volcanoes are there in the world?

How Are Volcanoes Formed? - Universe Today


Mar 25, 2009 ... Some of the most dramatic mountains in the world are volcanoes. Volcanoes can grow to enormous heights quickly, sometimes just a few years ...

How is lava formed? | Volcano World | Oregon State University


Rocks in the mantle and the core are still hot from the formation of the Earth about 4.6 billion years ago. When the Earth formed, material collided at high speeds.

Volcanoes are created from a opening in the Earth's crust, which allows hot magma, ash and gases to escape. They form in the shape of cones, domes or simple fissures.
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Volcanoes - Weather Wiz Kids weather information for kids


Volcanoes are formed when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits  ...

How Do Volcanoes Form - Conserve Energy Future


Formation Of Volcanoes. What's Inside Earth? Before we get to that we would have to get a briefing on the structure of planet Earth. The interior structure of earth ...

Volcanoes and volcanic eruptions - BBC


Volcanoes form when magma reaches the Earth's surface, causing eruptions of lava and ash. They occur at ... A volcano is formed by eruptions of lava and ash.