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How Volcanoes Actually Erupt

2 imagenes, 8 preguntas, 1 definicion, 1 dato, 4 videos, 1 encuesta sobre How Volcanoes Actually Erupt en ARTi.

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Imágenes

How trapped gases build pressure

teacher Dissolved water and carbon dioxide expand violently as magma rises to the surface.

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The sticky science of silica

teacher Silica content determines whether underground magma flows like water or thick molasses.

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Fun Facts

Fun Fact

Magma vs lava: Magma is molten rock trapped underground, but the moment it breaks through Earth's crust and flows outside, scientists call it lava.

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Quizzes

Quiz

What happens to the viscosity of magma as its silica content increases?

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Quiz

What is the main chemical compound that determines how sticky magma is?

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Quiz

Which gas is typically the most abundant dissolved gas in underground magma?

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Quiz

What happens to dissolved gases in magma as it rises to the surface?

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Quiz

What is the term for molten rock once it breaks through Earth's crust?

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Quiz

Why does magma rise upward through the Earth's solid mantle?

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Quiz

At what approximate depth below Earth's surface does magma typically form?

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Quiz

Where is magma stored underground before a volcanic eruption?

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Glosario

Glossary
magma chamber (noun)
A large reservoir of liquefied rock beneath the surface of the Earth. In 1980, geologists monitored the subterranean pool beneath Mount St. Helens to predict its explosive eruption.

1h ago

Gossip

Gossip

If you had to describe magma's texture, which sounds cooler?

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Videos

teacher The sticky science of silica

1h ago

teacher How trapped gases build pressure

1h ago

teacher Where magma gets its start

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teacher Inside the magma chamber reservoir

1h ago