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A volcano forms when magma rises through weakened areas of the crust from a magma reservoir many miles deep within the earth, pushing itself up through a vent. This vent acts as a ...

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.



When it does reach the surface, a volcano is formed. Typical examples of this kind of volcano are Mount Etna and the volcanoes in the Pacific Ring of Fire.

How do volcanoes form?


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.

www.ask.com/youtube?q=How Are Volcanoes Formed&v=6Z4as_imJfM
Jun 22, 2011 ... Turn CC on, I've edited it, easy to understand. Please Like, and subscribe. Wanna know any about any science or education - related topics, ...

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  ...

Volcano Formation - Windows to the Universe


Volcanoes form when hot material from below rises and leaks into the crust. This hot material, called magma, comes either from a melt of subducted crustal ...

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 ...

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.

Popular Q&A
Q: How are volcanoes formed?
A: Go to Iceland and actually see them: http://uk.images.search.yahoo.com/search…. Think of an egg. Think of it's shell. The earth has a"shell" just like the egg B... Read More »
Source: answers.yahoo.com
Q: How are volcano form ?
A: The following is going to be lengthy but i'm sure it will definitely help you with your project. So try not to panic and read it peacefully. Volcanoes are forme... Read More »
Source: answers.yahoo.com
Q: How are volcanoes form ?
A: A volcano is an Earth opening that spills out lava rocks and gasses. The way a volcano forms is pretty interesting. A volcano is actually a high mountain. It gr... Read More »
Source: uk.answers.yahoo.com
Q: How are volcanoes formed?
A: Antonio: I will do the best I can..... 1.How was the oldest grotto formed? By grotto I assume you mean cave. I have no idea what the oldest cave is, or where ... Read More »
Source: en.allexperts.com
Q: How are a volcano forms?
A: How is a volcano form? When a continental plate and an oceanic plate move toward each other and collide, the edge of the oceanic plate goes down into the part o... Read More »
Source: wiki.answers.com