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Volcanoes – How They Spew Lava  

Your chances of being involved in a volcanic eruption are pretty low compared to other natural disasters, such as flooding or earthquakes. Still, it’s good to know what to watch for and what to do. Volcanoes are like giant vents for the Earth. Imagine a pot of chili bubbling on the stove. If it has a lid on it, steam can’t escape. The chili might just bubble up and erupt over the sides of the pan. Take the lid off, though, and the heat can escape.

Deep under the earth’s crust is magma – rock that is so hot that it is a liquid. Along with this rock are explosive gases. The earth’s crust is not one solid piece, but many pieces that fit together like a puzzle. When these pieces rub up against each other, they create pressure. Magma and gases build up. Finally, they explode through holes or vents in the earth’s surface. As the magma, or lava, cools and hardens, it forms mountains over millions of years. These mountains are known as volcanoes.

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Geography Fun Facts for Kids on Volcanoes - Image of a Volcanic Eruption

Geography Fun Facts for Kids on Volcanoes – Image of a Volcanic Eruption

Volcanoes are fascinating and terrifying. They spew lava, rock, poisonous gases and ash with great power. Lava is much, much hotter than any oven –over 2000 degrees Fahrenheit. As it pours out of the Earth, it can burn anything in its path. Poisonous gases and ash can cause serious illness or death.

main-parts-of-the-volcano image

The main parts of Volcano path.

Fun Facts All About Volcanoes for Kids

  • There are about 1,900 active volcanoes on the earth. This means they have erupted recently or they might erupt. Some volcanoes are extinct. Over 80 volcanoes have been found in the ocean.
  • Most volcanoes happen on fault lines, or cracks in the Earth’s surface.
  • Most of the earth’s volcanoes are in the Pacific Ocean, in an area called the Ring of Fire.
  • The word “volcano” comes from Vulcan, the Roman god of fire.
  • Lava from volcanoes can reach temperatures of 2,000 degrees Fahrenheit.
  • Volcanoes spew out ash and toxic gases, as well as lava and lava boulders.
  • Pompeii was an ancient city that was completely buried in ash and lava.
Easy Earth Science for Kids on Volcanoes - Image of Mayon Volcano Eruption

Easy Earth Science for Kids on Volcanoes – Image of Mayon Volcano Eruption

Volcano Vocabulary

  1. Magma: liquid rock inside the earth
  2. Lava: the name for magma that has spewed from a volcano
  3. Ash: dust made of bits of burnt rock
  4. Poisonous: toxic; can hurt or kill you
  5. Erupt: explode
  6. Vent: opening to allow air, heat or steam to escape
  7. Escape: flee, get out
  8. Liquid: not a solid or gas; like water or juice
  9. Spew: hurl, throw
  10. Toxic: poisonous
Pompeii City Image

Pompeii was an ancient city that was completely buried in ash and lava.

Cool Video for Kids on Volcanoes

Watch this Science Video to Learn More All About Volcanoes:

This is a video explaining about volcanic eruption.

Volcano Q&A

Question: Are there any benefits to volcanoes?

Answer: Volcanoes relieve pressure inside the earth, similar to when you lift the lid on a pot of simmering food. Soils around old lava fields are often fertile and grow good crops.

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Question: Are all volcanoes mountains?

Answer: Sometimes volcanoes can be plateaus or even cracks in the ground.

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Question: How serious are volcanoes to people?

Answer: Most volcanoes occur where few people live, but when a volcano actively erupts, it can be very dangerous to anyone living nearby. Over 260,000 people have died in volcanoes in the last 300 years. Many people live in the valley beneath Mt. Rainier, the most dangerous volcano in America. The volcano isn’t likely to erupt, but dangerous mudslides called Iahars roar down its peaks.

 

Enjoyed the Natural Science for Kids website all about Volcanoes info? Take the FREE & fun all about Volcanoes quiz and download FREE Volcanoes worksheet for kids. For lengthy info click here.

 

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