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Volcanoes

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Lorine Batz

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Cards in this guide (19)
Are moon rocks opaque

Yes. Rocks on the moon are similar to volcanic rocks on Earth.

What portion of the mantle is hot enough to begin melting rocks into magma

asthenosphere

Which type of boundaries cause volcanic activity and can result in the formation of islands

convergent

When the lava stops erupting out of the central vent what is left at the top

A bowl-shaped crater opening

Which planet claims the largest volcanic cone in the solar system

Mars.

Which volcanoes are formed from both flowing lava and falling cinders and tephra

composite

Which metal is the most readily oxidated of all the elements

iron

What forms when lava flows horizontally across a layer of rock

Forms of igneous rock are usually made. It is also known as lava rock and volcanic rock

Which type of volcano has not erupted at all during historical times
Which volcanoes form from the fallen cinders and tephra of an eruption

Cinder Cone

When magma does not have enough pressure to break completely through the neck and into a central vent it forms

When magma does not have enough pressure to break completely through the neck and into a central vent, it forms a Dike.

If an extremely thick amount of ash falls it can cause the roofs of buildings to

If an extremely thick amount of ash falls on building roofs, it will cause them to collapse due to the extremely heavy weight.

Tectonic plates float on a layer of earth called the what

Lithosphere

What type of rocks form when melted rock cools from inside the Earth

Igneous rock forms when melted rock (magma) from inside the Earth cools.

When ash and dust begin to settle on the ground they eventually become compacted by .

rainfall

Compared to landform crust the ocean crust is

younger

Scientists measure which element in order to classify magma

silica

The crevice through which the magma bursts is called the .

fissure

What is magma rises it carves a tube-shaped structure

Conduit

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