Parts of a Volcano 2026-01-08 ¿ÀÈÄ 5:16:04 À̼öÁø

 

Parts
of a Volcano

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Description:

 



A volcano is a mountain with a magma chamber
underground that supplies melted rock. During an eruption, magma flows out as
lava and ash, changing the landscape and sometimes affecting the weather. Some
volcanoes have secondary vents on their sides, causing smaller eruptions.



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Transcription:



 



Hey, kids! In today's video we will be learning about
the parts of a volcano.



Are you ready? Let's begin.



 



A volcano is a mountain that forms when hot melted
rock called magma escapes from deep inside the earth.



When a volcano erupts, magma comes out as lava along
with ash and gases.



Volcanoes can create new land, change landscapes, and
even affect the weather around the world.



 



Let's learn about the parts of a volcano.



 



Magma chamber.



Deep underground, there's a big pocket of melted rock
called the magma chamber.



This is where magma, the hot liquid rock, stays before
it erupts.



Think of it like a giant pot of boiling soup under the
Earth's surface.



 



Main vent.



When the volcano is ready to erupt, the magma moves
upward through a tunnel called the main vent. This vent is like a straw that
carries the magma from deep inside the earth all the way to the top of the
volcano.



 



Crater.



At the top of the volcano, there's a B-shaped opening
called the crater.



This is where the magma comes out during an eruption.
Magma that reaches the surface is now called lava.



You might also see smoke, ash, and gases bursting out
of the crater.



 



Lava flow.



When the lava spills out of the crater, it runs down
the sides of the volcano. That¡¯s called lava flow.



As it moves, it burns and melts everything in its
path.



But when it cools down, it hardens and forms new land.



 



Ash cloud.



During a big eruption, volcanoes can send ash clouds
high into the sky.



These clouds are made of tiny rock and dust particles
that can travel far, sometimes hundreds of kilometers away.



 



Secondary vent.



Some volcanoes have smaller cracks on the sides called
secondary vents.



Lava can escape through these two, forming mini
volcanoes or smaller eruptions on the mountain sides.



 



Now, here are fun facts about volcanoes.



 



The word volcano comes from Vulcan, the Roman god of
fire.



There are over 1,500 active volcanoes on Earth today.
That means they can still erupt.



 



And that is all for today's video. I hope you enjoyed
learning about the parts of a volcano today.

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Questions:

 



1. What is a magma chamber?



2. What happens during a volcanic eruption?



3. What are secondary vents?​

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