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Types of Volcanoes
Viscosity
Magma/Lava
Volcano Pictures
Lab Question
100
This volcano has gently sloping sides.
What is a shield volcano?
100

What is the term that means resistance to flow?

What is viscosity?

100
This is molten rock above ground.
What is lava?
100

This is what forms when magma hardens in a volcanic pipe.

What is a volcanic neck?

100
This is a volcano that is unlikely to erupt soon.
What is a dormant volcano?
200
This type of volcano has layers of ash and lava.
What is a composite volcano?
200

Something that is very thick and does not flow has this type of viscosity?

What is high viscosity?

200
This is molten rock below ground?
What is magma
200
This is when magma squeezes between relatively horizontal layers of rock.
What is a sill?
200
This is when magma heats water underground and it is trapped.
What is a geyser?
300
This type of volcano is a very steep cone shaped hill or mountain.
What is a cinder cone volcano?
300

Water, Juice, Gatorade, and Tea have a _________ viscosity?

What is low?

300
This material changes the thickness of lava.
What is silica?
300
This is when magma forces itself into a vertical crack and hardens.
What is a dike?
300
This is one benefit of volcanoes for life.
What is fertile soil?
400
This is a high level area formed by rising underground lava.
What is a lava plateau?
400

Something that flows very easily is said to have a _______ viscosity 

What is low?

400
This is fast moving hot lava.
What is pahoehoe?
400
This is a mass of rock that forms when a large body of magma cools inside the cust.
What is a batholith?
400
These two other planets have extinct volcanoes similar to earth.
What is Venus and Mars?
500
This is a hole left by the collapse of a volcanic mountain.
What is a caldera?
500

Corn Syrup,  Honey,  and Maple Syrup have a _____ viscosity? 

What is high?

500
This is cooler and slower moving lava.
What is aa?
500
These are smaller bodies of magma that form a feature by forcing layers of rock to bend upward.
What is a dome mountain?
500
This is and explosion of ash cinders and bombs from a violent volcanic eruption.
What is a pyroclastic flow?